100 Multiple Choice Questions on Java Programming - Set 3

Home » Java » MCQs for Java
Showing 41 - 60 of 100

Question: 41

public class Main
{
private int a;
public Main(){
        
    }
public Main(int temp){
        a = -10;
    }

public static void main(String[] args) {
    Main obj = new Main();
	System.out.println(obj.a);
}
}

(A) -10
(B) Undefined
(C) Compilation Error
(D) 0

Level: Practitioner

Category of MCQ: classesAndobjects in Java

Question: 42

public class Main
{
private int a;
public Main(){
            a = -10;
        }
  
public static void main(String[] args) {
	Main obj = new Main();
 	System.out.println(obj.a);
	}
}

(A) 0
(B) Compilation Error
(C) -10
(D) Garbage Value

Level: Beginner

Category of MCQ: classesAndobjects in Java

Question: 43

public class Main
{
public static void main(String[] args) {
   
     int arr[] = {'a','b','c','d','e'};
   
    System.out.print(arr);
}
}

(A) abcde
(B) 6566676869
(C) Compilation Error
(D) Some Garbage Value

Level: Beginner

Category of MCQ: arrays in Java

Question: 44

public class Main
{
public static void main(String[] args) {
        int arr[] = {'a','b','c','d','e'};
	    
	for(int i = 0 ; i<5; i++){ 
	    System.out.print(" "+ (char)arr[i]);
	}
}
}

(A) a b c d e
(B) 96 97 98 99 101
(C) 65 66 67 68 69
(D) None of the above

Level: Expert

Category of MCQ: arrays in Java

Question: 45

public class Main
{
public static void main(String[] args) {

        int arr[] = {'a','b','c','d','e'};
	    
	for(int i = 0 ; i<5; i++){ 
            System.out.print(" " + arr[i]);
	}
    }
}

(A) a b c d e
(B) abcde
(C) 97 98 99 100 101
(D) 65 66 67 68 69

Level: Expert

Category of MCQ: arrays in Java

Question: 46

public class Main
{
public static void main(String[] args) {
	    
            int arr[] = {1,2,3,4,5};
	    int count = 0;

		for(int i = 0 ; i<5; i++ ){
		    if(arr[i]%2==0)
		        arr[i] *= 2;
		    System.out.print(arr[i]);      
		}
		
	}
}

(A) 12345
(B) 135
(C) 22222
(D) 14385

Level: Beginner

Category of MCQ: arrays in Java

Question: 47

public class Main
{
public static void main(String[] args) {

	    int arr[] = {1,2,3,4,5};

	    int count = 0;

		for(int i = 0 ; i<5; i++ ){
		    if(arr[i]%2==0)
		        count++;
		}
		System.out.print(count);
	}
}

(A) 3
(B) 2
(C) 1
(D) 0

Level: Beginner

Category of MCQ: arrays in Java

Question: 48

public class Main
{
public static void main(String[] args) {
	    int arr[] = {1,2,3,4,5};
	    
		for(int i = 0 ; i<5; ){
		    System.out.print(arr[i]);
		}
	}
}

(A) 12345
(B) Nothing is printed
(C) 1
(D) Infinite times

Level: Beginner

Category of MCQ: arrays in Java

Question: 49

public class Main
{
public static void main(String[] args) {

               int arr[] = {1,2,3,4,5};
	    
		for(int i = 0 ; i<5; i++){ 
                   System.out.print(arr[i++]);
		}
	}
}

(A) 12345
(B) 123
(C) 124
(D) 135

Level: Beginner

Category of MCQ: arrays in Java

Question: 50

Java supports single-line and multi-line comments very similar to C and C++

(A) True
(B) False

Level: Beginner

Category of MCQ: other in Java

Question: 51

Arrays is a group of similar type of datatype

(A) True
(B) False

Level: Beginner

Category of MCQ: other in Java

Question: 52

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 of MCQ: loops in Java

Question: 53

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 of MCQ: other in Java

Question: 54

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 of MCQ: other in Java

Question: 55

public class CppBuzz {

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

(A) 30
(B) 1020
(C) 10+10+10
(D) 1010+10

Level: Expert

Category of MCQ: variables in Java

Question: 56

public class CppBuzz {

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

(A) 0
(B) 10"-10"
(C) 10-10
(D) Compilation Error

Level: Expert

Category of MCQ: variables in Java

Question: 57

public class CppBuzz {

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

(A) 10+10
(B) 1010
(C) Compilation Error
(D) Undefined

Level: Practitioner

Category of MCQ: variables in Java

Question: 58

public class CppBuzz {

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

(A) 10-10
(B) 0
(C) 1010
(D) Compilation Error

Level: Practitioner

Category of MCQ: variables in Java

Question: 59

public class CppBuzz {

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

(A) 10"10"
(B) Compilation Error
(C) 20
(D) 1010

Level: Practitioner

Category of MCQ: variables in Java

Question: 60

public class CppBuzz {

public static void main(String args[]) {
    
     System.out.println(""cpp'� 'buzz"");
      
    }
}

(A) "cpp''buzz"
(B) "cpp''buzz"
(C) cpp''buzz
(D) Compilation Error

Level: Expert

Category of MCQ: other in Java

Browse Java Categories

Datatype Variables Operators Decision Making Loops Methods Reference Variables Arrays Classes and Objects Abstract Class Singleton Class Modifiers Inheritance Overriding Polymorphism Abstraction Encapsulation Files and I/O TypeCasting Packages Exceptions Collections Framework Numbers Class Date & Time Regular Expressions Data Structures Interfaces Multithreading Other

MCQs

Problems

Projects

Compiler

Online Test

About Us | Contact Us | Privacy Policy | Career | Online Training
Youtube LinkedIn Facebook Twitter Instagram
Copyright©CppBuzz.com
Like many websites, we use cookies to ensure best browsing experience on our website. While using this website, you acknowledge to have read and accepted our cookie and privacy policy.