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📜  如何在java代码示例中从数组中选择一个随机元素

📅  最后修改于: 2022-03-11 14:52:39.503000             🧑  作者: Mango

代码示例1
import java.util.Random;

public class RandomStringFromArray
{    
      public static void main(String[] args)    
    {        
          String[] arr={"1", "2", "3", "4", "5"};
          Random r=new Random();        
          int randomNumber=r.nextInt(arr.length);
          System.out.println(arr[randomNumber]);
    }
}