Year: 2024

Java Standard Edition is used for server side programming.

A) True

B) False

Java Application & Java Applets are same.

A) True

B) False 

The class name may not same with the java file name.

A) True

B) False

 Java is an object oriented programming language.

A) True

B) False

Jump statements are the statements that transfer control from one part of the program to another part.

A) True

B) False

 One of the important purposes of break statement is to exit from switch statement.

A) True

B) False

Non-primitive data types are derived from primitive data types.

A) True

B) False

For writing code in BlueJ editor we have to create a Project folder first.

A) True

B) False

Can we keep a different name for the java class name and java file name

A) True

B) False

What makes the Java platform independent?

A) Advanced programming language

B) It uses bytecode for execution

C) Class compilation

D) All of these

Which class in Java is used to take input from the user?

A) Scanner

B) Input

C) Applier

D) None of these

Method used to take a string as input in Java?

A) next()

B) nextLine()

C) Both A. and B.

D) None of these

Java is a high level programming language like _______

A) Basic

B) COBOL

C) C++

D) All of the above

IDE stands for:

A) Integration Development Environment

B) Integrated Development Environment

C) Internal Data Environment

D) None of these

Which is a java IDE?

A) Eclips

B) BlueJ

C) InteliJ IDEA

D) All of the above

The old name of java is :

A) C

B) OAK

C) JV

D) None of these

The important concepts of OOPs

A) Class

B) Methods

C) Objects

D) All of the above

Which of the following is a valid data types in Java?

A) Integer

B) Characters

C) Floating

D) All of these

+ is __________ operator.

A) Arithmetical

B) Bitwise

C) Logical

D) None of these

What is the size of float and double in java?

A) 32 and 64

B) 32 and 32

C) 64 and 32

D) 64 and 64

Decrement operator, ??, decreases the value of variable by what number?

A) 1

B) 2

C) 3

D) 4

What is the value stored in x in the following lines of Java code? int x, y, z; x = 0; y = 1; x = y = z = 8;

A) 0

B) 1

C) 9

D) 8

What will be the output of the following Java code? class operators {public static void main(String args[]){ int var1 = 5; int var2 = 6; int var3; var3 = (var2 * var1)/10;System.out.print(var3); } }

A) 6

B) 5

C) 30

D) 3

What will be the output of the following Java code?class Output { public static void main(String args[]){ int x=y=z=20;} }

A) compile and runs fine

B) run time error

C) 20

D) Compile time error

The 1st step of java programming is _______

A) Write the Java code

B) Create java file

C) Create the .class file

D) None of these

____ is the extension name of a Bytecode file.

A) . class

B) .java

C) .byte

D) .code

_________ is used to write the java codes.

A) DOS

B) MS word

C) BlueJ

D) All of these

______ is used to compile & Run the Java Program.

A) IDE

B) API

C) JVM

D) java

public static ________main.

A) String

B) void

C) Void

D) string

A___ describes all the properties of an object.

A) Class

B) object

C) program

D) java

Java is derived from______.

A) C

B) C++

C) .net

D) class

Which is used to develop a server side programs.

A) Java SE

B) Java EE

C) Java ME

D) None of these

The mechanism that binds together code and the data it manipulates, and keeps both safe from outside interference.

A) Encapsulation

B) Object

C) Inheritance

D) Polymorphism

Which is key word in java?

A) while

B) int

C) static

D) All of these

Data types in java

A) int

B) float

C) char

D) All of these

What will be the output of the following programming code. public class rudra5{ public static void main(String args[]){ int a=20; int b=30; a=a+b; b=a-b; a=a-b; System.out.print(a); System.out.print(b);}}

A) 20 30

B) 30 20

C) 20 20

D) 30 30

A _______ statement allows us to execute a statement or group of statements multiple times.

A) Array

B) Function

C) loop

D) exception

Which loop guaranteed to execute at least one time?

A) for

B) do-while

C) while

D) All of the above

A ________ provides us with named storage that our programs can manipulate.

A) data type

B) constants

C) operators

D) variable

Choose a valid loop name in Java below.

A) For

B) While

C) Do-while

D) All of the above

To declare more than one variable of the specified type, we can use a __________ list.

A) colon-separated

B) bracket-separated

C) comma-separated

D) None of the above

How many kinds of variables in Java?

A) 2

B) 3

C) 4

D) 5

Which of the following is an Example of variable initialization?

A) int a, b, c;

B) int a = 10, b = 10;

C) int 10 = a;

D) None of the above

Which of the following is not a keyword in Java.

A) assert

B) boolean

C) abstract

D) finalize

Java was designed by ________.

A) Microsoft

B) Mozilla Corporation

C) Sun Microsystems

D) Amazon Inc.