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--  作者：admin --  发布时间：2011/3/11 12:21:44 --  程序代码——5个换行输出一百以内3或者7的倍数 public class Exec {         public static void main(String[] args) {                 int j = 0;                 for (int i = 1; i <= 100; i++) {                         if (i % 3 == 0 || i % 7 == 0) {                                 j++;                                 System.out.print(i + "\\t");                         }                         if (j == 5) {                                 j = 0;                                 System.out.println();                         }                 }         } }}