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  1. public class Main{
  2.     // 主方法
  3.     public static void main(String[] args) {
  4.         int range = 9;
  5.  
  6.         // 调用方法
  7.         multiple_num(21);
  8.     }
  9.  
  10.     // 方法：打印3的倍数
  11.     public static void multiple_num(int num) {
  12.         for (int i = 0; i <= num; i++) {
  13.             if (i % 3 == 0) {
  14.                 System.out.println(i);
  15.             }
  16.         }
  17.     }
  18. }
Success #stdin #stdout 0.09s 54676KB
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https://ideone.com/CKuKMK
language:
Java (HotSpot 12)
created:
1 year ago
visibility:
public

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