Java打印钻石图形

package cn.dfeng;/** * 该类能够用*打印大小的钻石图形 * @author dfeng * */public class Drawer {/** * 打印钻石图形 * @param n 钻石大小 */public void printDiamond( int n ){System.out.println();int i = 0;boolean flag = true;while( i >= 0 ){if (i < n) {for (int j = 0; j < n - i; j++) {System.out.print(" ");}for (int j = n - i; j <= n + i; j += 2) {System.out.print("* ");}System.out.println();}if (i == n) {flag = false;i--;}if (flag) {i++;} else {i--;}} }}