Quiz Discussion

What will be the output of the following Java program?

    class bitwise_operator 
    {
        public static void main(String args[]) 
        {    
             int a = 3;
             int b = 6;
 	         int c = a | b;
             int d = a & b;             
             System.out.println(c + " "  + d);
        } 
    }

 

Course Name: Java

  • 1]

    7 2

  • 2]

    7 7

  • 3]

    7 5

  • 4]

    5 2

Solution
No Solution Present Yet

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# Quiz
1
Discuss

Which of these operators can skip evaluating right hand operand?

  • 1]

    !

  • 2]

    |

  • 3]

    &

  • 4]

    &&

Solution
2
Discuss

What is the output of relational operators?

  • 1]

    Integer

  • 2]

    Boolean

  • 3]

    Characters

  • 4]

    Double

Solution
3
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
4
Discuss

Which of these statements are incorrect?

  • 1]

    The left shift operator, <<, shifts all of the bits in a value to the left specified number of times

  • 2]

    The right shift operator, >>, shifts all of the bits in a value to the right specified number of time

  • 3]

    The left shift operator can be used as an alternative to multiplying by 2

  • 4]

    The right shift operator automatically fills the higher order bits with 0

Solution
5
Discuss

What should be expression1 evaluate to in using ternary operator as in this line?

 expression1 ?  expression2  :  expression3
  • 1]

    Integer

  • 2]

    Floating – point numbers

  • 3]

    Boolean

  • 4]

    None of the mentioned

Solution
6
Discuss

What will be the output of the following Java program?

    class leftshift_operator 
    {
        public static void main(String args[]) 
        {        
             byte x = 64;
             int i;
             byte y; 
             i = x << 2;
             y = (byte) (x << 2)
             System.out.print(i + " " + y);
        } 
    }

 

  • 1]

    0 64

  • 2]

    64 0

  • 3]

    0 256

  • 4]

    256 0

Solution
7
Discuss

Which of these have highest precedence?

  • 1]

    ()

  • 2]

    ++

  • 3]

    *

  • 4]

    >>

Solution
8
Discuss

What will be the output of the following Java code?

    class Relational_operator 
    {
        public static void main(String args[])
        {
            int var1 = 5; 
            int var2 = 6;
            System.out.print(var1 > var2);
        } 
    }

 

  • 1]

    1

  • 2]

    0

  • 3]

    true

  • 4]

    false

Solution
9
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
10
Discuss

What is the order of precedence (highest to lowest) of following operators?

    1. &    
    2. ^
    3. ?:
  • 1]

    1 -> 2 -> 3

  • 2]

    2 -> 1 -> 3

  • 3]

    3 -> 2 -> 1

  • 4]

    2 -> 3 -> 1

Solution
# Quiz