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Java Multiple Choice Questions For Beginners - 25

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Question: 1

public class CppBuzz{
public static void main(String[] args){
  int a = 10;
  System.out.println(a++);
  a++;
}
}

(A) 10
(B) 11
(C) 12
(D) 13

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 2

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a*a++);
}
}

(A) 100
(B) 110
(C) 121
(D) Compilation Error

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 3

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a++*a++);
}
}

(A) 100
(B) 110
(C) 121
(D) 144

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 4

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(++a*a++);
}
}

(A) 121
(B) 132
(C) 144
(D) 100

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 5

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(++a*++a);
}
}

(A) 121
(B) 144
(C) 132
(D) 100

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 6

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a*a--);
}
}

(A) 100
(B) 90
(C) 81
(D) 80

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 7

public class CppBuzz {
public static void main(String[] args){
 int a = 10;
 System.out.println(a--*a--);
}
}

(A) 100
(B) 90
(C) 99
(D) 72

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 8

public class CppBuzz {
public static void main(String[] args){
 int a = 5+5*2+2*2+(2*3);
 System.out.println(a);
}
}

(A) 138
(B) 264
(C) 41
(D) 25

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 9

Which of the following operators has more precedance in Java?

(A) -
(B) +
(C) *

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 10

Which of the following is not an operator in Java?

(A) |
(B) ^
(C) ~
(D) <->

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 11

Which of the following operator has more precedence?

(A) ()
(B) ++
(C) *
(D) >=

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 12

Which one of the following is an Unary operator in Java?

(A) ()
(B) *
(C) +
(D) ++

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 13

Which one of the following is Equality operator in Java?

(A) >=
(B) <=
(C) !=
(D) +=

Level: Beginner Category: operators
[Posted by: Admin | Chicago, USA]

Question: 14

Select Odd one out from these about local variables

(A) Local variables are declared in methods, constructors, or blocks
(B) Local variables are created when the method, constructor or block is entered
(C) the variable will be destroyed once it exits the method, constructor, or block
(D) We can't create reference variables of Local variables

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 15

On which platforms Java runs?

(A) Windows
(B) Mac OS
(C) UNIX
(D) All of these

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 16

Java is case sensitive langauge

(A) True
(B) False

Level: Beginner Category: variables
[Posted by: Admin | Chicago, USA]

Question: 17

Java program processing always starts with main() method

(A) True
(B) False

Level: Beginner Category: methods
[Posted by: Admin | Chicago, USA]

Question: 18

The main() method of an application has to be public. Otherwise, it could not be called by a Java interpreter. Is that true?

(A) True
(B) False

Level: Beginner Category: methods
[Posted by: Admin | Chicago, USA]

Question: 19

Java supports both Primitive & Non-Primitive(User Defined) datatypes. Which one of the following is not a primitive datatype?

(A) byte
(B) short
(C) long
(D) class

Level: Beginner Category: datatype
[Posted by: Admin | Chicago, USA]

Question: 20

How many times 'Hello' is printed?

public class CppBuzz {
public static void main(String[] args){
 for(int i = 0; i<5; i++)
 {
 System.out.println("Hello");
 break;
 }
}
}

(A) 5
(B) 4
(C) 1
(D) 0

Level: Beginner Category: loops
[Posted by: Admin | Chicago, USA]

Question: 21

How many times 'Hello' is printed?

public class CppBuzz {
public static void main(String[] args){
 for(int i = 0; i<5; i++)
 {
 System.out.println("Hello");
 i++;
 }
}
}

(A) 5
(B) 4
(C) 3
(D) 2

Level: Beginner Category: loops
[Posted by: Admin | Chicago, USA]

Question: 22

public class CppBuzz{
  
public static void main(String[] args){
  
  int a = 5;
  a +=5;
  
  switch(a){
   
    case 5: System.out.println("5");break;
    case 10: System.out.println("10");break;
    default: System.out.println("0");
    
  }
  
}
}

(A) 5
(B) 10
(C) 0
(D) Compilation Error

Level: Beginner Category: conditional
[Posted by: Admin | Chicago, USA]

Question: 23

Java has 5 phases, Editing, Compilation, Loading, Verification & Execution. Which of the following unit is responsible for execution?

(A) Compiler
(B) Class Loader
(C) Byte Code Verifier
(D) Java Virtual Machine

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 24

What is correct sequence of execution of any Java  program?

(A) Editing -> Compilation -> Class Loader -> Bytecode Verifier -> Execution
(B) Editing -> Bytecode Verifier -> Compilation -> Class Loader -> Execution
(C) Editing -> Compilation -> Bytecode Verifier -> Class Loader -> Execution
(D) None of the above

Level: Beginner Category: other
[Posted by: Admin | Chicago, USA]

Question: 25

package com.google.test;
import java.util.Scanner;

public class ExampleIfElse {

public static void main(String[] args){

  String s = "friends";
  int x = 0;
 
do {
  System.out.print(s.charAt(x));
  x++ ;
 } while (x < 2);

}

}

(A) friends
(B) friend
(C) fr
(D) compilation Error

Level: Beginner Category: loops
[Posted by: ASISH ARAVIND | Des Moines USA]

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Java Multiple Choice Questions For Beginners - 25

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