Quiz Discussion

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);
        } 
    }

 

Course Name: Java

  • 1]

    5.640000000000001 5

  • 2]

    5.640000000000001 5.0

  • 3]

    5 5

  • 4]

    5 5.640000000000001

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

Which right shift operator preserves the sign of the value?

  • 1]

    <<

  • 2]

    >>

  • 3]

    <<=

  • 4]

    >>=

Solution
3
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
4
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
5
Discuss

Which of these is not a bitwise operator?

  • 1]

    &

  • 2]

    &=

  • 3]

    |=

  • 4]

    <=

Solution
6
Discuss

What will be the output of the following Java code?

class Output 
{
        public static void main(String args[]) 
        {    
             int x=y=z=20;
 
        } 
}

 

  • 1]

    compile and runs fine

  • 2]

    20

  • 3]

    run time error

  • 4]

    compile time error

Solution
7
Discuss

Can 8 byte long data type be automatically type cast to 4 byte float data type?

  • 1]

    true

  • 2]

    false

Solution
8
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
9
Discuss

What is the output of relational operators?

  • 1]

    Integer

  • 2]

    Boolean

  • 3]

    Characters

  • 4]

    Double

Solution
10
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
# Quiz