Quiz Discussion

What will be the output of the following Java code?

    class operators 
    {
        public static void main(String args[])
        {
            int var1 = 5; 
            int var2 = 6;
            int var3;
            var3 = ++ var2 * var1 / var2 + var2;
            System.out.print(var3);
        } 
    }

 

Course Name: Java

  • 1]

    10

  • 2]

    11

  • 3]

    12

  • 4]

    56

Solution
No Solution Present Yet

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# Quiz
1
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
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

Decrement operator, −−, decreases the value of variable by what number?

  • 1]

    1

  • 2]

    2

  • 3]

    3

  • 4]

    4

Solution
4
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
5
Discuss

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

  • 1]

    true

  • 2]

    false

Solution
6
Discuss

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);
        } 
    }

 

  • 1]

    7 2

  • 2]

    7 7

  • 3]

    7 5

  • 4]

    5 2

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

Which of these statements are incorrect?

  • 1]

    Assignment operators are more efficiently implemented by Java run-time system than their equivalent long forms

  • 2]

    Assignment operators run faster than their equivalent long forms

  • 3]

    Assignment operators can be used only with numeric and character data type

  • 4]

    None of the mentioned

Solution
9
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
10
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
# Quiz