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Monday, September 3, 2012

To store first 10 prime numbers in an array

public class yps
{
    public static void main(String args[])
    {
       int p[]=new int[10];  //to store 10 prime numbers
       int num, i=0,j, count=0,c=0,a;
       
        for(num=2; num<100; num++)
        {
            for(j=1; j<=num; j++)
            {
                if(num%j==0)
                {
                    c++;
                }
            }
            if(c==2)
            {
                p[i]=num;
                i++;
                count++;
               
            }
            if(count==10)
            {
                break;
            }
            c=0;
        }
            System.out.println("First 10 Prime nums are: ");
         for(a=0;a<10;a++)
         {
             System.out.println(p[a]);
            
        }
       
    }
}

To accept 10 decimal values from the user on Terminal Window

import java.io.*;
public class yps
{
    public static void main(String args[]) throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        double num[]=new double[10];
        int i;
        System.out.println("Enter 10 decimal values");
        for(i=0; i<10; i++)
        {
            num[i]=Double.parseDouble(br.readLine());
        }
        System.out.println("The 10 decimal values entered are:");
       for(i=0; i<10; i++)
        {
            System.out.println(num[i]);
        }
    }
}

Program to accept 5 strings on Terminal window

/*
 * Program to accept 5 strings on Terminal window
 */

import java.io.*;
public class yps1
{
    public static void main(String args[]) throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        String name[]=new String[5];
        int i,j;
        System.out.println("Enter five names");
        for(i=0; i<5; i++)
        {
           
            name[i]=br.readLine();
           
        }
        for(j=0; j<5; j++)
        {
           
            System.out.println("NAME  "+ (j+1) + " :"+ name[j]);           
        }
       
    }
}