Java

Find The Output of the Program ??

• Compilation error

• Runtime error

• 5 6 5 6

• 5 6 5

What is the Output ?

• 1

• 120

• 0

• None Of These

Guess The Output ?

• 2 2

• 3 3

• Compilation Error

• Runtime Error

When an array is passed to a method, what does the method receive?

• The reference of the Array

• The Copy of The Array

• Copy of the first element

• Length of the Array

• 101

• 100

• None

• Compilation Error

public class Main {

public static void main(String[] args) {

try {

int[] myNumbers = {1, 2, 3};

System.out.println(myNumbers[1]);

int a = 2 / myNumbers[4];

System.out.println(a);

} catch (Exception e) {

System.out.println("Index out of bounds.");

} finally {

System.out.println("The 'try catch' is finished.");

}

}

}

Find the Output

• The 'try catch' is finished.

• 2

• 2

  Index out of bounds.

  The 'try catch' is finished.

• None of These

public class MainClass

{

public static void main(String[] args)

{

C c = new C();

c.firstMethod();

c.secondMethod();

c.thirdMethod();

}

} Find the output ?

• FIRST

  SECOND

  THIRD

  FIRST

  THIRD

  THIRD

  THIRD

• FIRST

  THIRD

  SECOND

  FIRST

  THIRD

  THIRD

  THIRD

• FIRST

  SECOND

  THIRD

  FIRST

  THIRD

  THIRD

• FIRST

  THIRD

  SECOND

  FIRST

  THIRD

  THIRD

Which of these can be used to fully abstract a class from its implementation?

• Objects

• Packages

• Interfaces

• None of the Mentioned

Which of these is an correct array declaration?
a) int arr[] = new int[5] ;
b) int [] arr = new int[5] ;
c)

int arr[]; arr = new int[5];

d) int arr[] = int [5] new;

• a,b,c

• b,c,d

• c,d,a

• d,a,b

2. What would be the behaviour if this() and super() used in a method?

• Runtime error

• Throws exception

• Compile time error

• Runs successfully