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import javax.swing.*;

public class Substring{
public static void main (String a[]){

String m = JOptionPane.showInputDialog("Enter a String:");
String sub =...

..in diamond formation..

..the output should look like this
*
* *
* * *
* *
*
..but then the output of this program is

*
...

..this is a correct code but then the numbers that should be in prime the output would be in composite for example we input 1 the output would be the 1 is composed of 1..thank you..

public class Diamond {
public static void main(String args[]){

int n,i,j,k;
do {

n = (int)(3);

}while(n % 2 ==...

import java.util.Scanner;

public class erelle{
private static String comps;
public static void main(String[] args){
Scanner input = new Scanner(System.in);
...