ICSE − Q & A

I am just bored of studying from books and solving prelims problems.
does anyone know some tough programs for remaining alive my interest??

az BY
cx
till a reaches to z and z reaches to a

What is the uses of Wrapper class?

I have some incomplete note of subjects typed by me. If u want then reply below. I had notes of all subject but was unable to upload due to boards.

Copy this code in Java . Hope it helps you to understan Math.rint and round and other funtions

public class ALL
{
    public static void main(String args[])
    {
        double i;
        System.out.println("_________________________________________________________");
        System.out.println("| Number" + "\t" + "| abs " + "\t" + "| rint" + "\t" + "| round" + "\t" +"| sqrt ");
        System.out.println("_________________________________________________________");
        for(i = -2.0 ; i< 5 ; )
        {
            System.out.println("|  "+i+"  " + "\t" + "| " + Math.abs(i)  + " " + "\t" + "| " + Math.rint(i) + " " + "\t" + "| " + Math.round(i)+ " " + "\t" + "| " +  Math.sqrt(i));
            i = i+0.5; 
        }
    }
}