Hallow Triangles
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication1;
import java.util.*;
/**
*
* @author Basit
*/
public class JavaApplication1 {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
System.out.println("Salam Pakistan");
Scanner input = new Scanner(System.in);
System.out.print("Plz Enter a number :");
int num = input.nextInt();
for ( int i=1 ; i<=num; i++ ) {
for ( int j=1 ; j <= i ; j++ ) {
if(i==1 || i==2 || i==num || j==1 || j==i)
System.out.print("*");
else
System.out.print(" ");
}
System.out.println();
}
for ( int i=num ; i>=1; i-- ) {
{
for ( int j=1 ; j <= i ; j++ ) {
if(i==1 || i==2 || i==num || j==1 || j==i)
System.out.print("*");
else
System.out.print(" ");
}
System.out.println();
}
}
}
}
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package javaapplication1;
import java.util.*;
/**
*
* @author Basit
*/
public class JavaApplication1 {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
System.out.println("Salam Pakistan");
Scanner input = new Scanner(System.in);
System.out.print("Plz Enter a number :");
int num = input.nextInt();
for ( int i=1 ; i<=num; i++ ) {
for ( int j=1 ; j <= i ; j++ ) {
if(i==1 || i==2 || i==num || j==1 || j==i)
System.out.print("*");
else
System.out.print(" ");
}
System.out.println();
}
for ( int i=num ; i>=1; i-- ) {
{
for ( int j=1 ; j <= i ; j++ ) {
if(i==1 || i==2 || i==num || j==1 || j==i)
System.out.print("*");
else
System.out.print(" ");
}
System.out.println();
}
}
}
}
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