Java字符串操做详解

public static void main(String[] args){/* int i, j; for(i=1; i<=9; i++){ for(j=1; j<=9; j++){ if(j<i){ //打印八个空格，去掉空格就是左上三角形 System.out.print(" "); }else{ System.out.printf("%d*%d=%2d ", i, j, i*j); }

>>阅读原文<<