charactergraph.java

主要是对于JAVA的编程的基本语言 希望能够帮得上你。

package exercise;

import java.util.*;

public class CharacterGraph {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		System.out.print("Please input a positive integer: ");
		int n=scanner.nextInt();
		
		System.out.println("Square");
		for(int row=0;row<n;row++){
			for(int col=0;col<n;col++){
				System.out.print("* ");
			}
			System.out.println();
		}
		
		System.out.println("Triangle");
		for(int row=0;row<n;row++){
			for(int k=n-row-1;k>0;k--){
				System.out.print("  ");
			}
			for(int col=0;col<row+1;col++){				
				System.out.print("* ");
			}
			System.out.println();
		}
	}

}