mile stone 2

For the array:

int stats[3];

What is the range of the index?

• 0 to 3

• 0 to 2

• 1 to 3

• 0 to 4

_____ is used to find and fix bugs in the Java programs.

• JVM

• JRE

• JDK

• JDB

Java doesn't support structures and unions

• True

• False

_________ operator returns the remainder after division

• +

• /

• %

• *

which one of the following have elements in insertion order

• sorted map

• hashmap

• linkedhashmap

• treemap

Which keyword raises an exception in Java code?

• 
  

• throw

• try

• break

• throws

Answer explanation

To raise an exception in Java, use the throw keyword. Do not confuse throw with throws, as the latter is used by a method to indicate it has the potential to throw various checked exceptions

which of these is an incorrect array declaration?

• int arr[]=new int[5]

• int arr[]=new[5] int

• int arr=new int(5)

• int arr()=new (5)

class pandu{

public static void main(String args[]){

int arr[]=new int[] {0,1,2,3,4,5,6,7,8,9};

int n=6;

n=arr[arr[n]/2];

System.out.println(arr[n]/2);

}

}

What is the output of the program?

• 3

• 1

• 0

• 6

A Java Interface is not considered a class.

• True

• false

Answer explanation

A class and an Interface have different inheritance rules.

What are the features reused using Inheritance in Java?

• variables

• constants

• methods

• All the above