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

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
2
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
3
Discuss

With x = 0, which of the following are legal lines of Java code for changing the value of x to 1?

   1. x++;
   2. x = x + 1;
   3. x += 1;
   4. x =+ 1;
  • 1]

    1, 2 & 3

  • 2]

    1 & 4

  • 3]

    1, 2, 3 & 4

  • 4]

    3 & 2

Solution
4
Discuss

Which of the following operators can operate on a boolean variable?

   1. &&
   2. ==
   3. ?:
   4. +=
  • 1]

    3 & 2

  • 2]

     1 & 4

  • 3]

     1, 2 & 4

  • 4]

    1, 2 & 3

Solution
5
Discuss

What will be the output of the following Java program?

    class rightshift_operator 
    {
        public static void main(String args[]) 
        {    
             int x; 
             x = 10;
             x = x >> 1;
             System.out.println(x);
        } 
    }

 

  • 1]

    10

  • 2]

    5

  • 3]

    2

  • 4]

    20

Solution
6
Discuss

Which of these is not a bitwise operator?

  • 1]

    &

  • 2]

    &=

  • 3]

    |=

  • 4]

    <=

Solution
7
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
8
Discuss

What is the output of relational operators?

  • 1]

    Integer

  • 2]

    Boolean

  • 3]

    Characters

  • 4]

    Double

Solution
9
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
10
Discuss

Which operator is used to invert all the digits in a binary representation of a number?

  • 1]

    ~

  • 2]

    <<<

  • 3]

    >>>

  • 4]

    ^

Solution
# Quiz