Thursday, October 27, 2011

Java Programming - 19

Java Programming - 19

True/False
Question: Casting occurs commonly between numeric types
Correct Answer: True


Multiple Choice Multiple Answer
Question: When might your program wish to run the garbage collector?
Correct Answer: Before it enters a compute-intense section of code , Before it enters a memory-intense section of code , When it knows there will be some idle time

Multiple Choice Single Answer
Question: What are members of the threads class?
Correct Answer: Method


True/False
Question: Boolean data type have only Yes or No value.
Correct Answer: True


Select The Blank
Question: The ________ loop is java's most fundamental looping statement.
Correct Answer: While


Multiple Choice Single Answer
Question: In multithreaded program each part of such program is called :-
Correct Answer: Thread


Multiple Choice Multiple Answer
Question: Which of the following are mathematical Expressions?
Correct Answer: (+ +) , (+ =) , (- =)


True/False
Question: A thread can be blocked when waiting for a resource.
Correct Answer: True


True/False
Question: Each class in java can have a finalizer method.
Correct Answer: True


Multiple Choice Single Answer
Question: Which statement has a the effect of "jumping out" of the switch statement?
Correct Answer: Break


True/False
Question: As abstract class must have at least one abstract method and others may be concrete or abstract.
Correct Answer: True


Multiple Choice Single Answer
Question: The argument to which specifies the delayperiod in milliseconds
Correct Answer: sleep( )


Select The Blank
Question: When java program starts up, one thread begin runing and it is called ________thread.
Correct Answer: main( )


Multiple Choice Single Answer
Question: class conditional { public static void main(String args[]) { int i = 20; int j = 55; int z = 0; z = i < j ? i : j; // ternary operator System.out.println("The value assigned is " + z); } } } What is output of the above program?
Correct Answer: The value assigned is 20


True/False
Question: When for loop start the execution, the initialization portion of the loop is executed.
Correct Answer: True


Select The Blank
Question: ________ variables are declared by use of the Byte Keyword.
Correct Answer: Byte


Multiple Choice Single Answer
Question: Which cast must be used to cast an object to another class?
Correct Answer: Specific cast.


Multiple Choice Multiple Answer
Question: Which are keywords in Java?
Correct Answer: Extends , Synchronized , Sizeof


Multiple Choice Multiple Answer
Question: What are different data types in java?
Correct Answer: char , double , byte


Match The Following
Question -Correct Answer

The Operators used in mathematical Arithmetic Operator (= operator;)
expressions

Order in which operators are evaluated in -Order of precedence
Whether an expression is evaluated -Associativity

left-to-right or right-to-left.
Java operator syntax for right associativity (= operator;) Comparison Operator

Multiple Choice Single Answer
Question: Java uses which system to store packages?
Correct Answer: File system directories


True/False
Question: Constructors can be overloaded like regular methods.
Correct Answer: True


Multiple Choice Multiple Answer
Question: What are different modifiers?
Correct Answer: Private , Protected , Final


Select The Blank
Question: After the new thread is created, it will not start running until you call its ________method.
Correct Answer: start( )


Select The Blank
Question: The ________ repeats a set of code at least once before the condition is tested.
Correct Answer: Do-while loop


Select The Blank
Question: ________ loop repeats a statement or block while its controlling expressions is true.
Correct Answer: While


Match The Following
Question- Correct Answer

The data, or variable, defined within a class- Instance variable.
General form of Cast- (target--type)value
Determine the relationship that one operand -Relational Operator
The secondary versions of the Boolean AND Short-Circuit Logical Short-Circuit Logical and OR operators -Operators

Multiple Choice Multiple Answer
Question: The Bitwise Logical Operators are :-
Correct Answer: ^ , ^= , <<
Select The Blank
Question: The name of the new thread is specified by ________.
Correct Answer: threadName


Select The Blank
Question: ________ is probably the least used java data type
Correct Answer: short


Multiple Choice Single Answer
Question: How to change the values of the elements of the array?
Correct Answer: By using array subscript expression


Multiple Choice Single Answer
Question: What is declared within the file that will belong to the specified pacakage?
Correct Answer: classes


Multiple Choice Single Answer
Question: How many concrete classes can you have inside an interface?
Correct Answer: none


True/False
Question: A thread's priority is used to decide when to switch from one running thread to the next, this is called as the context switch.
Correct Answer: True


Select The Blank
Question: A class is ________ for an objects in java.
Correct Answer: Template


Select The Blank
Question: Anonymous classes be implemented in an ________.
Correct Answer: Interface


True/False
Question: When an object is referenced, it mean that it has been identified by the finalizer method for garbage collection.
Correct Answer: False


Multiple Choice Multiple Answer
Question: Features of Java applets are :-
Correct Answer: They can be transmitted over internet , Require java enabled web browser


Multiple Choice Multiple Answer
Question: Classes usually consist of two things such as :-
Correct Answer: Instance variable , Methods


Multiple Choice Multiple Answer
Question: Main thread is important for which two reasons?
Correct Answer: It is thread from which other "child" thread will be swapped , Often it must be the last thread to finish execution because It performs various shutdown actions


True/False
Question: If the break statement is omited in switch statement, then execution will continue on into the next case.
Correct Answer: True


Multiple Choice Multiple Answer
Question: Which are the two threads of java?
Correct Answer: mainthread( ) , childthread( )


Select The Blank
Question: The ________ repeat a set of code while the condition is false.
Correct Answer: While loop


Multiple Choice Multiple Answer
Question: Which of these lines of code will compile?
Correct Answer: short s = 20; , char c = 32; , double d = 1.4;


Multiple Choice Multiple Answer
Question: What are means of encapsulating and containing the name space and scope of variables and methods?
Correct Answer: Classes , Packages , Subclasses


Multiple Choice Single Answer
Question: How is it possible to use few methods of an interface in a class?
Correct Answer: By declaring the class as abstract


Multiple Choice Single Answer
Question: Which statement will always execute the body of a loop at least once?
Correct Answer: Do

Java Programming - 18

True/False
Question: Casting occurs commonly between numeric types
Correct Answer: True


Multiple Choice Multiple Answer
Question: When might your program wish to run the garbage collector?
Correct Answer: Before it enters a compute-intense section of code , Before it enters a memory-intense section of code , When it knows there will be some idle time


Multiple Choice Single Answer
Question: What are members of the threads class?
Correct Answer: Method


True/False
Question: Boolean data type have only Yes or No value.
Correct Answer: True


Select The Blank
Question: The ________ loop is java's most fundamental looping statement.
Correct Answer: While


Multiple Choice Single Answer
Question: In multithreaded program each part of such program is called :-
Correct Answer: Thread


Multiple Choice Multiple Answer
Question: Which of the following are mathematical Expressions?
Correct Answer: (+ +) , (+ =) , (- =)


True/False
Question: A thread can be blocked when waiting for a resource.
Correct Answer: True


True/False
Question: Each class in java can have a finalizer method.
Correct Answer: True


Multiple Choice Single Answer
Question: Which statement has a the effect of "jumping out" of the switch statement?
Correct Answer: Break


True/False
Question: As abstract class must have at least one abstract method and others may be concrete or abstract.
Correct Answer: True


Multiple Choice Single Answer
Question: The argument to which specifies the delayperiod in milliseconds
Correct Answer: sleep( )


Select The Blank
Question: When java program starts up, one thread begin runing and it is called ________thread.
Correct Answer: main( )


Multiple Choice Single Answer
Question: class conditional { public static void main(String args[]) { int i = 20; int j = 55; int z = 0; z = i < j ? i : j; // ternary operator System.out.println("The value assigned is " + z); } } } What is output of the above program?
Correct Answer: The value assigned is 20


True/False
Question: When for loop start the execution, the initialization portion of the loop is executed.
Correct Answer: True


Select The Blank
Question: ________ variables are declared by use of the Byte Keyword.
Correct Answer: Byte


Multiple Choice Single Answer
Question: Which cast must be used to cast an object to another class?
Correct Answer: Specific cast.


Multiple Choice Multiple Answer
Question: Which are keywords in Java?
Correct Answer: Extends , Synchronized , Sizeof


Multiple Choice Multiple Answer
Question: What are different data types in java?
Correct Answer: char , double , byte


Match The Following
Question -Correct Answer

The Operators used in mathematical Arithmetic Operator (= operator;)
expressions

Order in which operators are- Order of precedence
Whether an expression is evaluated- Associativity

left-to-right or right-to-left
Java operator syntax for right (= operator;) Comparison Operator
associativity

Multiple Choice Single Answer
Question: Java uses which system to store packages?
Correct Answer: File system directories


True/False
Question: Constructors can be overloaded like regular methods.
Correct Answer: True


Multiple Choice Multiple Answer
Question: What are different modifiers?
Correct Answer: Private , Protected , Final


Select The Blank
Question: After the new thread is created, it will not start running until you call its ________method.
Correct Answer: start( )


Select The Blank
Question: The ________ repeats a set of code at least once before the condition is tested.
Correct Answer: Do-while loop


Select The Blank
Question: ________ loop repeats a statement or block while its controlling expressions is true.
Correct Answer: While


Match The Following
Question- Correct Answer

The data, or variable, defined -Instance variable.
within a class General form of Cast -(target--type)value

Determine the relationship that -Relational Operator
The secondary versions of the Short-Circuit Logical Operators Short-Circuit Logical Operators
Boolean AND and OR operators

Multiple Choice Multiple Answer
Question: The Bitwise Logical Operators are :-
Correct Answer: ^ , ^= , <<


Select The Blank
Question: The name of the new thread is specified by ________.
Correct Answer: threadName


Select The Blank
Question: ________ is probably the least used java data type
Correct Answer: short


Multiple Choice Single Answer
Question: How to change the values of the elements of the array?
Correct Answer: By using array subscript expression


Multiple Choice Single Answer
Question: What is declared within the file that will belong to the specified pacakage?
Correct Answer: classes


Multiple Choice Single Answer
Question: How many concrete classes can you have inside an interface?
Correct Answer: none


True/False
Question: A thread's priority is used to decide when to switch from one running thread to the next, this is called as the context switch.
Correct Answer: True


Select The Blank
Question: A class is ________ for an objects in java.
Correct Answer: Template


Select The Blank
Question: Anonymous classes be implemented in an ________.
Correct Answer: Interface


True/False
Question: When an object is referenced, it mean that it has been identified by the finalizer method for garbage collection.
Correct Answer: False


Multiple Choice Multiple Answer
Question: Features of Java applets are :-
Correct Answer: They can be transmitted over internet , Require java enabled web browser


Multiple Choice Multiple Answer
Question: Classes usually consist of two things such as :-
Correct Answer: Instance variable , Methods


Multiple Choice Multiple Answer
Question: Main thread is important for which two reasons?
Correct Answer: It is thread from which other "child" thread will be swapped , Often it must be the last thread to finish execution because It performs various shutdown actions


True/False
Question: If the break statement is omited in switch statement, then execution will continue on into the next case.
Correct Answer: True


Multiple Choice Multiple Answer
Question: Which are the two threads of java?
Correct Answer: mainthread( ) , childthread( )


Select The Blank
Question: The ________ repeat a set of code while the condition is false.
Correct Answer: While loop


Multiple Choice Multiple Answer
Question: Which of these lines of code will compile?
Correct Answer: short s = 20; , char c = 32; , double d = 1.4;


Multiple Choice Multiple Answer
Question: What are means of encapsulating and containing the name space and scope of variables and methods?
Correct Answer: Classes , Packages , Subclasses

Multiple Choice Single Answer
Question: How is it possible to use few methods of an interface in a class?
Correct Answer: By declaring the class as abstract


Multiple Choice Single Answer
Question: Which statement will always execute the body of a loop at least once?
Correct Answer: Do

Java Programming - 17

True/False
Question: Object oriented programming organizes a program around processes acting on data.
Correct Answer: False

Select The Blank
Question: ________ are stored in hierarchical manner.
Correct Answer: Packages


Multiple Choice Single Answer
Question: Which statement has a the effect of "jumping out" of the switch statement?
Correct Answer: Break


Multiple Choice Multiple Answer
Question: Which are the java's control statements?
Correct Answer: For , If , Switch


Multiple Choice Single Answer
Question: Which statement defines a name space in which classes are stored?
Correct Answer: package


Select The Blank
Question: Threads define several ________.
Correct Answer: constructors


Multiple Choice Multiple Answer
Question: What are different data types in java?
Correct Answer: char , double , byte


True/False
Question: There is no Global Variable in Java.
Correct Answer: True


Match The Following
Question -Correct Answer

Object- Instance of Class

Methods -Member of Class

Stack -First In, Last Out

Class Object -Oriented Programming


True/False
Question: Boolean values can be cast into any other primitive type.
Correct Answer: False


True/False
Question: Short data type range is -30,376 to 32768.
Correct Answer: False


Multiple Choice Single Answer
Question: How array is defined?
Correct Answer: int arr[];


Select The Blank
Question: In ________ statement condition is true, then statement 1 is executed.
Correct Answer: If


Multiple Choice Multiple Answer
Question: Features of Java applets are :-
Correct Answer: They can be transmitted over internet , Require java enabled web browser


True/False
Question: Boolean data type have only Yes or No value.
Correct Answer: True


Multiple Choice Single Answer
Question: class conditional { public static void main(String args[]) { int i = 20; int j = 55; int z = 0; z = i < j ? i : j; // ternary operator System.out.println("The value assigned is " + z); } } } What is output of the above program?
Correct Answer: The value assigned is 20


Multiple Choice Multiple Answer
Question: Classes usually consist of two things such as :-
Correct Answer: Instance variable , Methods


Select The Blank
Question: The most commonly used ________eger type is int.
Correct Answer: int


Select The Blank
Question: The range of Byte is ________
Correct Answer: (-128 to 127)


True/False
Question: User-defined package can also be imported just like the standard packages.
Correct Answer: True


Multiple Choice Multiple Answer
Question: Java defines two ways when instantiating an object, such as :-
Correct Answer: Can implement the runnable interface , Can extend the thread class


Multiple Choice Single Answer
Question: Which method is used to determine the class of an object?
Correct Answer: getClass( ) method


Multiple Choice Single Answer
Question: If you do not implement all the methods of an interface while implementing, what specifier should you use for the class ?
Correct Answer: abtract


Multiple Choice Multiple Answer
Question: Main thread is important for which two reasons?
Correct Answer: It is thread from which other "child" thread will be swapped , Often it must be the last thread to finish execution because It performs various shutdown actions


Select The Blank
Question: The ________ repeat a set of code while the condition is false.
Correct Answer: While loop


Select The Blank
Question: A class can only inherit a single ________.
Correct Answer: Superclass


Multiple Choice Multiple Answer
Question: Which of these lines of code will compile?
Correct Answer: short s = 20; , char c = 32; , double d = 1.4;


Multiple Choice Multiple Answer
Question: Packages act as containers for :-
Correct Answer: Classes , Subordinate packages


Multiple Choice Single Answer
Question: Syntax to declare a variable in java is :-
Correct Answer: type identifier [=value][,identifier[=value]…]


Multiple Choice Single Answer
Question: How can class be imported from a package to a program?
Correct Answer: import java.packagename.classname


True/False
Question: Do while loop always executes its body at least once, because its conditional _expression is at the bottom of the loop.
Correct Answer: True


Select The Blank
Question: The ________ is similar to break, except that instead of halting the execution of the loop, it starts the next iteration.
Correct Answer: Continue


Multiple Choice Multiple Answer
Question: Within what Java provides many levels of protection to allow control over the visiblity of variables and methods?
Correct Answer: Classes , Subclasses , Packages


Multiple Choice Multiple Answer
Question: Which statements can be used with the java's loop?
Correct Answer: Jump , Continue , Break


Multiple Choice Single Answer
Question: Which Control Statement allow the program to execute in a non-linear fashion?
Correct Answer: Jump


True/False
Question: In While loop condition can be any Boolean _expression
Correct Answer: True


Multiple Choice Multiple Answer
Question: Which is a public static member of thread?
Correct Answer: currenthread( ) , mainthread( )


True/False
Question: Object oriented programming organizes a program around processes acting on data.
Correct Answer: False


Select The Blank
Question: ________ are stored in hierarchical manner.
Correct Answer: Packages


Multiple Choice Single Answer
Question: Which statement has a the effect of "jumping out" of the switch statement?
Correct Answer: Break


Multiple Choice Multiple Answer
Question: Which are the java's control statements?
Correct Answer: For , If , Switch


Multiple Choice Single Answer
Question: Which statement defines a name space in which classes are stored?
Correct Answer: package


Select The Blank
Question: Threads define several ________.
Correct Answer: constructors


Multiple Choice Multiple Answer
Question: What are different data types in java?
Correct Answer: char , double , byte


True/False
Question: There is no Global Variable in Java.
Correct Answer: True


Match The Following
Question -Correct Answer

Object- Instance of Class

Methods -Member of Class

Stack -First In, Last Out
Class -Object Oriented Programming


True/False
Question: Boolean values can be cast into any other primitive type.
Correct Answer: False


True/False
Question: Short data type range is -30,376 to 32768.
Correct Answer: False


Multiple Choice Single Answer
Question: How array is defined?
Correct Answer: int arr[];


Select The Blank
Question: In ________ statement condition is true, then statement 1 is executed.
Correct Answer: If


Match The Following
Question -Correct Answer

Derived class -Subclass of protection

Class- Interface
Packages- Directories
Specifier -Protected

Multiple Choice Multiple Answer
Question: _Expression must be of the data types :-
Correct Answer: Byte , Short , Int


Multiple Choice Single Answer
Question: What is an array?
Correct Answer: It is value collection of same type of data type


Multiple Choice Single Answer
Question: Which Control Statements allow the program to choose different paths of execution?
Correct Answer: Selection


Select The Blank
Question: ________ is referred by a variable candidate for garbage collection when the variable goes out of scope.
Correct Answer: Objects


Select The Blank
Question: The Process by which one object acquires properties of another object is ________.
Correct Answer: Inheritence


True/False
Question: Threads of equal priority must voluntarily yield control to their peers.
Correct Answer: True


Multiple Choice Single Answer
Question: How multidimensional array is declared?
Correct Answer: int[4] [5];


Select The Blank
Question: ________ method suspends a thread for some period of time.
Correct Answer: sleep( )


True/False
Question: Suppose a given instance variable has been declared private, this instance variable is manipulated by methods outside its class.
Correct Answer: False


Multiple Choice Multiple Answer
Question: Features of Java applets are :-
Correct Answer: They can be transmitted over internet , Require java enabled web browser


True/False
Question: Boolean data type have only Yes or No value.
Correct Answer: True


Multiple Choice Single Answer
Question: class conditional { public static void main(String args[]) { int i = 20; int j = 55; int z = 0; z = i < j ? i : j; // ternary operator System.out.println("The value assigned is " + z); } } } What is output of the above program?
Correct Answer: The value assigned is 20
Multiple Choice Multiple Answer
Question: Classes usually consist of two things such as :-
Correct Answer: Instance variable , Methods


Select The Blank
Question: The most commonly used ________eger type is int.
Correct Answer: int


Select The Blank
Question: The range of Byte is ________
Correct Answer: (-128 to 127)


True/False
Question: User-defined package can also be imported just like the standard packages.
Correct Answer: True


Multiple Choice Multiple Answer
Question: Java defines two ways when instantiating an object, such as :-
Correct Answer: Can implement the runnable interface , Can extend the thread class


Multiple Choice Single Answer
Question: Which method is used to determine the class of an object?
Correct Answer: getClass( ) method


Multiple Choice Single Answer
Question: If you do not implement all the methods of an interface while implementing, what specifier should you use for the class ?
Correct Answer: abtract


Multiple Choice Multiple Answer
Question: Main thread is important for which two reasons?
Correct Answer: It is thread from which other "child" thread will be swapped , Often it must be the last thread to finish execution because It performs various shutdown actions
Select The Blank
Question: The ________ repeat a set of code while the condition is false.
Correct Answer: While loop


Select The Blank
Question: A class can only inherit a single ________.
Correct Answer: Superclass


Multiple Choice Multiple Answer
Question: Which of these lines of code will compile?
Correct Answer: short s = 20; , char c = 32; , double d = 1.4;


Multiple Choice Multiple Answer
Question: Packages act as containers for :-
Correct Answer: Classes , Subordinate packages


Multiple Choice Single Answer
Question: Syntax to declare a variable in java is :-
Correct Answer: type identifier [=value][,identifier[=value]…]


Multiple Choice Single Answer
Question: How can class be imported from a package to a program?
Correct Answer: import java.packagename.classname


True/False
Question: Do while loop always executes its body at least once, because its conditional _expression is at the bottom of the loop.
Correct Answer: True


Select The Blank
Question: The ________ is similar to break, except that instead of halting the execution of the loop, it starts the next iteration.
Correct Answer: Continue
Multiple Choice Multiple Answer
Question: Within what Java provides many levels of protection to allow control over the visiblity of variables and methods?
Correct Answer: Classes , Subclasses , Packages


Multiple Choice Multiple Answer
Question: Which statements can be used with the java's loop?
Correct Answer: Jump , Continue , Break


Multiple Choice Single Answer
Question: Which Control Statement allow the program to execute in a non-linear fashion?
Correct Answer: Jump


True/False
Question: In While loop condition can be any Boolean _expression
Correct Answer: True


Multiple Choice Multiple Answer
Question: Which is a public static member of thread?
Correct Answer: currenthread( ) , mainthread( )


Java Programming - 16

Select The Blank
Question: A ________can implement more than one interface.
Correct Answer: Class


True/False
Question: Casting does not affect the original object or value.
Correct Answer: True


Multiple Choice Single Answer
Question: In multithreaded program each part of such program is called :-
Correct Answer: Thread


Multiple Choice Multiple Answer
Question: The Stack performs which two function?
Correct Answer: pop( ) , push( )


Select The Blank
Question: ________ loop repeats a statement or block while its controlling expressions is true.
Correct Answer: While


Multiple Choice Multiple Answer
Question: The Bitwise Logical Operators are :-
Correct Answer: ^ , ^= , <<


Match The Following
Question -Correct Answer

Interface -Abtract method

Pacakge declaration -Package pkg

Java.applet. -AppletClass

AppletJava.-applet Java.applet package


True/False
Question: Transient variable is variable that may not be serialized.
Correct Answer: True


Select The Blank
Question: Java defines ________ integer type.
Correct Answer: Four


Multiple Choice Single Answer
Question: Which statement checks at the beginning of a loop to see whether the next loop iteration should occur?
Correct Answer: While


Multiple Choice Multiple Answer
Question: Modulus operator % can be applied to these data types :-
Correct Answer: floating Point , Integer , Character


Multiple Choice Multiple Answer
Question: Which are keywords in Java?
Correct Answer: Extends , Synchronized , Sizeof


True/False
Question: Variable in an interface are implicitly final and static.
Correct Answer: True


Multiple Choice Single Answer
Question: The argument to which specifies the delayperiod in milliseconds
Correct Answer: sleep( )


Select The Blank
Question: Anything declared ________ can be accessed from anywhere within program.
Correct Answer: Public


True/False
Question: Java define eight simple types of data byte, short, int, long, char, float, double, boolean.
Correct Answer: True
Multiple Choice Multiple Answer
Question: There are two distinct types of multitasking. Which are those?
Correct Answer: Process based , Thread-base


Multiple Choice Single Answer
Question: Which of the following is used to get the value of the instance variables?
Correct Answer: Dot Notation


True/False
Question: Integer can Cast to byte value.
Correct Answer: False


Multiple Choice Multiple Answer
Question: What all the run( ) method can do?
Correct Answer: Can call other method , Declare variable


Multiple Choice Single Answer
Question: What is a string?
Correct Answer: A combination of characters called as string


Multiple Choice Multiple Answer
Question: What are different modifiers?
Correct Answer: Private , Protected , Final


Match The Following
Question -Correct Answer

The data, or variable, defined -Instance variable.
within a class
General form of Cast -(target--type)value
Determine the relationship that -Relational Operator
one operand has to the other
The secondary versions of the Short-Circuit Logical Operators Comparison operator
Boolean AND and OR operators

Multiple Choice Single Answer
Question: Java uses which system to store packages?
Correct Answer: File system directories


Multiple Choice Single Answer
Question: If omit the package statement, which names are put into defualt pacakge?
Correct Answer: class


Multiple Choice Single Answer
Question: Which statement provides an easy way to dispatch execution to different parts of your code based on the value of an _expression?
Correct Answer: Switch


True/False
Question: When you write finalize() method for your class, you are overriding a finalizer inherited from a super class.
Correct Answer: True


Select The Blank
Question: After calling start( ) NewThread, constructor returns to ________.
Correct Answer: main( )


Select The Blank
Question: The default encoding of objects supports the ________ of the classes.
Correct Answer: Evolution


True/False
Question: The Switch statement can have multiple cases without a break statements between them.
Correct Answer: True


Multiple Choice Single Answer
Question: What is a data structure that controls the state of a collection of threads as a whole?
Correct Answer: Thread group


True/False
Question: With java Type Casts are checked at both compile-time and runtime.
Correct Answer: True


Select The Blank
Question: A ________ is declared by use of the class keyword.
Correct Answer: class


True/False
Question: Running threads can be suspended, which temporarily suspends its activity.
Correct Answer: True


Multiple Choice Single Answer
Question: How to declare an interface example?
Correct Answer: access class classname implements interface.
Your Answer: access class classname implements interface.

Multiple Choice Multiple Answer
Question: Which thread is created automatically when the program is started?
Correct Answer: Main thread


Multiple Choice Multiple Answer
Question: What are the Logical operators?
Correct Answer: OR() , AND(&) , XOR(^)


True/False
Question: If the break statement is omited in switch statement, then execution will continue on into the next case.
Correct Answer: True


Multiple Choice Single Answer
Question: What can be created by instantiating an object type thread?
Correct Answer: Thread


Select The Blank
Question: ________ is an instance of a class that implements the runnable interface.
Correct Answer: threadOb


Select The Blank
Question: ________ variables are declared by use of the Byte Keyword.
Correct Answer: Byte


Multiple Choice Single Answer
Question: When you implement an interface method, it must be declared as :-
Correct Answer: Public


Select The Blank
Question: The explicit drop of an object reference by setting the value of a variable, whose data type is a reference type of ________.
Correct Answer: Null


Multiple Choice Multiple Answer
Question: Which are the two threads of java?
Correct Answer: mainthread( ) , childthread( )


Multiple Choice Multiple Answer
Question: Method definition has four parts, they are :-
Correct Answer: Name of the method , Type of object , List of parameters


Select The Blank
Question: The smallest integer type is ________.
Correct Answer: Byte
Multiple Choice Multiple Answer
Question: Which are the keywords use in switch statement?
Correct Answer: Case , Default

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