CGI POB Wave 1 Java Batch

Find the output of the following code.

int no = 24;

char str = ‘i’;

System.out.print(no);

System.out.print(ch);

• % i

• I i

• 24i

• i24

Select the valid statement.

• char[] ch = new char(20)

• char[] ch = new char[20]

• char[] ch = new char()

• char[] ch = new char[]

Find the output of the following program.

public class Solution{

public static void main(String[] args){

int[] x = {120, 200, 016};

for(int i = 0; i < x.length; i++){

System.out.print(x[i] + “ “);

}

}

}

• 120 200 016

• 120 200 14

• 120200 16

• None

Select the valid statement to declare and initialize an array.

• int[] arr = {}

• int[] arr = {1,2,3}

• int[] arr = (1,2,3)

• int[][] arr = {1,2,3}

When is the object created with new keyword?

• At run time

• Compile time

• Depends on code

• None

Identify the correct restriction on static methods.

I. They must access only static data

II. They can only call other static methods.

III. They cannot refer to this or super.

• I and II

• II and III

• Only III

• I, II and III

To which of the following package does the class string belong to.

• java.lang

• lava.util

• java.io

• javax.lang

Identify the return type of a method that does not return any value.

• int

• void

• double

• char

Which is not a Collection

• List

• Map

• Set

• All

Which can store unique value

• List

• Set

• Map

• All