Quiz Discussion

What will be the output of the following Java program?

class Output 
{
        public static void main(String args[]) 
        {    
             int a,b,c,d;
             a=b=c=d=20
            a+=b-=c*=d/=20
           System.out.println(a+" "+b+" "+c+" "+d);
 
        } 
}

 

Course Name: Java

  • 1]

    compile time error

  • 2]

    runtime error

  • 3]

    a=20 b=0 c=20 d=1

  • 4]

    none of the mentioned

Solution
No Solution Present Yet

Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# Quiz
1
Discuss

Which of these lines of Java code will give better performance?

   1. a | 4 + c >> b & 7; 
   2. (a | ((( 4 * c ) >> b ) & 7 ))
  • 1]

    1 will give better performance as it has no parentheses

  • 2]

    2 will give better performance as it has parentheses

  • 3]

    Both 1 & 2 will give equal performance

  • 4]

    Dependent on the computer system

Solution
2
Discuss

What will be the output of the following Java code?

    class operators 
    {
        public static void main(String args[]) 
        {    
             int x = 8;
             System.out.println(++x * 3 + " " + x);
        } 
    }

 

  • 1]

    24 8

  • 2]

    24 9

  • 3]

    27 8

  • 4]

    27 9

Solution
3
Discuss

What will be the output of the following Java code?

    class bool_operator 
    {
        public static void main(String args[]) 
        {    
             boolean a = true;
             boolean b = !true;
             boolean c = a | b;
 	     boolean d = a & b;
             boolean e = d ? b : c;
             System.out.println(d + " " + e);
        } 
    }

 

  • 1]

    false false

  • 2]

    true ture

  • 3]

    true false

  • 4]

    false true

Solution
4
Discuss

Modulus operator, %, can be applied to which of these?

  • 1]

    Integers

  • 2]

    Floating – point numbers

  • 3]

    Both Integers and floating – point numbers

  • 4]

    None of the mentioned

Solution
5
Discuss

What will be the output of the following Java program?

    class bitwise_operator 
    {
        public static void main(String args[])
        {
            int var1 = 42;
            int var2 = ~var1;
            System.out.print(var1 + " " + var2);     	
        } 
    }

 

  • 1]

    42 42

  • 2]

    43 43

  • 3]

    42 -43

  • 4]

    42 43

Solution
6
Discuss

Which of these statements is correct?

  • 1]

    true and false are numeric values 1 and 0

  • 2]

    true and false are numeric values 0 and 1

  • 3]

    true is any non zero value and false is 0

  • 4]

    true and false are non numeric values

Solution
7
Discuss

What will be the output of the following Java program?

    class increment 
    {
        public static void main(String args[])
        {
            double var1 = 1 + 5; 
            double var2 = var1 / 4;
            int var3 = 1 + 5;
            int var4 = var3 / 4;
            System.out.print(var2 + " " + var4);
 
        } 
    }

 

  • 1]

    1 1

  • 2]

    0 1

  • 3]

    1.5 1

  • 4]

    1.5 1.0

Solution
8
Discuss

What will be the output of the following Java program?

    class Modulus 
    {
        public static void main(String args[]) 
        {    
             double a = 25.64;
             int  b = 25;
             a = a % 10;
             b = b % 10;
             System.out.println(a + " "  + b);
        } 
    }

 

  • 1]

    5.640000000000001 5

  • 2]

    5.640000000000001 5.0

  • 3]

    5 5

  • 4]

    5 5.640000000000001

Solution
9
Discuss

What will be the output of the following Java code?

    class Output 
    {
        public static void main(String args[]) 
        {    
             boolean a = true;
             boolean b = false;
             boolean c = a ^ b;
             System.out.println(!c);
        } 
    }

 

  • 1]

    0

  • 2]

    1

  • 3]

    true

  • 4]

    false

Solution
10
Discuss

 On applying Left shift operator, <<, on integer bits are lost one they are shifted past which position bit?

  • 1]

    1

  • 2]

    32

  • 3]

    33

  • 4]

    31

Solution
# Quiz