CJ-18 : Store n numbers into an Array and print it

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

***********************************************************************************************

import java.io.*;

public class array 

{

   public static void main(String args[]) 

    {

        int a[]=new int[20];

        int i,n;

        try

        {

            DataInputStream x=new DataInputStream(System.in);

            System.out.println("Enter limit value for array");

            n=Integer.parseInt(x.readLine());

            System.out.println("Enter array elements :");

            for(i=0;i<n;i++)

            {

                a[i]=Integer.parseInt(x.readLine());

            }

            System.out.println("array elements are :");

            for(i=0;i<n;i++)

            {

                System.out.println(a[i]);

            }

        }

        catch(Exception e)

        {

        }

    }      

}    

=========================================================================
Output : 

Enter limit value for array

5

Enter array elements :

1

2

3

4

5

array elements are :

1

2

3

4

5

CJ-17: Program to print a pattern

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

***********************************************************************************************

Program to print a pattern as shown below :

*

* *

* * *

* * * * 

* * * * * 

***********************************************************************************************

import java.io.*;

public class nestedloop 

{

    public static void main(String args[])

    {

        int i,j;

        for(i=0;i<5;i++)

        {

            for(j=0;j<i;j++)

            {

                System.out.print("*");

                System.out.print("  ");

            }

            System.out.println("");

        }

    }  

}

=========================================================================
Output : 

*

* *

* * *

* * * * 

* * * * * 

CJ-16 : Numbers divisible by 7, and its sum(2)

Type the programs in NOTEPAD or DOS prompt itself, for Consol Application.
Type in NETBEANS or ECLIPSE for Window Application.
Here after , I am just typing the programs only..to know more about it , refer

Introduction to JAVA 

before doing any JAVA Programs.

***********************************************************************************************

import java.io.*;

public class div1
{
    public static void main(String args[])
    {
        int sum=0,ct=0,n,i;
        try
        {
            DataInputStream s= new DataInputStream(System.in);
            System.out.println("Enter the limit :");
            n=Integer.parseInt(s.readLine());
            System.out.println("Numbers divisible by 7 are :");
            for(i=0;i<n;i++)
            {
                if(i%7==0)
                {
                    System.out.println(i);
                    ct++;
                    sum=sum+i;
                }
            }
            System.out.println("Sum= "+sum);
            System.out.println("Total Numbers divisible by 7 is :"+ct);
        }
        catch(Exception e)
        {
        }
    }
}
=========================================================================
Output :

Enter the limit :

50

Numbers divisible by 7 are :

0
7
14
21
28
35
42
49
Sum= 196
Total Numbers divisible by 7 is :8