Programalama > JAVA - JSP

import java.util.Scanner;
public class yildiz {

    public yildiz() {
    }
    public static void main (String [] args){
    Scanner klavye=new Scanner(System.in);
    System.out.print("Sayı =");
    int y=klavye.nextInt(),x,z,t,i=1;
/**    for(x=1;x<=y;x++){
    	for(z=1;z<=x;z++){
    	System.out.print("*");}
    	System.out.println(" ");}
    	for(x=1;x<=y;x++){
    	for(t=(y-x);t>0;t--){
    	System.out.print("*");}
   	System.out.println(" ");}
   	*/ 
   	for(x=1;x<=y;x++){
   		for(t=(y-x);t>0;t--){
   			System.out.print("  ");}
   			for(z=1;z<=(2*x-1);z++){
   			if (z<=x)
   				i=(int)Math.pow(2,(z-1));
   				else
   					i/=2;	
    	System.out.print(i+" ");}
    	System.out.println(" ");}
    	for(x=2;x<=y;x++){
   		for(t=1;t<x;t++){
   			System.out.print("  ");}
   				for(z=1;z<=(2*(y-x)+1);z++){
   				if (z<=(y-x+1))
   				i=((int)Math.pow(2,(z-1)));
   				else
   					i/=2;	
    	System.out.print(i+" ");}
    	System.out.println(" ");}
    }}