APP Quiz 1

What will be the output of the following code?

int x = 5;

if (x++ == 5) {

    System.out.println("x was 5");

} else {

    System.out.println("x was not 5");

}

System.out.println("x is now " + x);

• x was 5, x is now 6

• • x was not 5, x is now 6

• x was 5, x is now 5

• x was not 5, x is now 5

What is the type of variable ‘b’ and ‘d’ in the following Java snippet?

int a[], b;

int []c, d;

• ‘b’ and ‘d’ are int

• ‘b’ and ‘d’ are arrays of type int

• ‘b’ is int variable; ‘d’ is int array

• ‘d’ is int variable; ‘b’ is int array

What will be the output?

• 5 and Class B

• 10 and Class A

• 5 and Class A

• 10 and Class B

 

What will be the output of the following Java program?

• Compilation error

• Runtime error

• 5 6 5 6

• 5 6 5

Which of the following is a type of polymorphism in Java Programming?

• Multiple polymorphism

• Compile time polymorphism

• Multilevel polymorphism

• Execution time polymorphism

What will be the result of the following code?

• Static method

• Instance method

• Compilation error

• Runtime error

What will be the output of this ?

• 1

• 120

• 0

• 125

What will be the output of the following code?

• 0 1 2 3 4

• 0 1 2

• 1 2 3

• 0 1 2 3

Which of the following is a superclass of every class in Java?

• ArrayList

• Abstract class

• Object class

• String

What will be the result of the following code?

• Default Two

• Three

• • Default Two Three

• Default Three