graphics.java

java课后题的详细答案

import java.io.IOException;

public class graphics {

	/**
	 * @param args
	 * @throws IOException 
	 */

	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		int number = 9 ;
		xH(number);
	}
	
	public static void xH(int value) throws IOException{
		
		int i = 0 ;
		int j = 0 ;

		for(j = 0 ; j < value/2 ; j++){
			
			for(int	k = 0 ; k < value/2 - j ; k++){
				System.out.print("	");
			}
			
			for(i = 0 ; i < 2 *j +1 ; i++){		
				System.out.print("	" + "*");
			}	
			System.out.println("\n\n");
			
		}
		
		for(j = value/2 ; j >= 0 ; j--){
			
			for(int	k = 0 ; k < value/2 - j ; k++){
				System.out.print("	");
			}
			for(i = 0 ; i < 2 *j +1 ; i++)
					System.out.print("	" + "*");
			
			System.out.println("\n\n");
			
		}

	}

}