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  1. package test;
  2.  
  3. public class Util {
  4.    
  5.     public static void sayMyName(String name) {
  6.         System.out.println("My name is " + name);
  7.     }
  8.  
  9.    
  10.     public static void print(int i) {
  11.         System.out.println(i);
  12.     }
  13.    
  14.     public static void print(String str) {
  15.         System.out.println(str);
  16.     }
  17.    
  18.     public static int rand(int h) {
  19.         int x = 0;
  20.         x = (int)(Math.random() * ++h);
  21.         return x;
  22.     }
  23.     /**
  24.      * Return random value from L to H
  25.      * @param l
  26.      * @param h
  27.      * @return
  28.      */
  29.     public static int rand( int l, int h) {
  30.         int x = 0;
  31.         x = (int)(Math.random() *(h - l) + l);
  32.         return x;
  33.     }
  34.     public static int randV2( int start, int end) {
  35.         int result = start +
  36.                 (int) (Math.random() * (end - start + 1));
  37.         return result;
  38.     }
  39.    
  40.     public static int randV3( int lowBound, int highBound) {
  41.         int num = (int) ((Math.random() *
  42.                 (highBound - lowBound + 1)) + lowBound);
  43.         return num;
  44.     }
  45.    
  46. }
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