Triangle.java

/*
 *File name: Triangle.java
 *
 *Programmer: Derek Townsend
 *ULID: djtown1
 *
 *Date: Oct 23, 2017
 *
 *Class: IT 168
 *Lecture Section: 004
 *Lecture Instructor:Dr Xing Fang
 *Lab Section: 005
 *Lab Instructor: Simran Kaur
 */
package edu.ilstu;

import java.util.Scanner;

/*
 *<insert description>
 *
 * @author Derek
 *
 */
public class Triangle
{


	public static void main(String[] args)
	{
		String star="";
		Scanner keyboard = new Scanner(System.in);
		System.out.println("Enter the size of a triangle from 1 to 50");
		int size=keyboard.nextInt();


		for(int i = 0;i<size;i++) {
			star+="*";
			System.out.println(star);


		}

		for(int j = 0;j<size;j++) {
			star=star.substring(0, star.length()-1);
			System.out.println(star);

		}


		keyboard.close();

	}

}