生成固定长度的随机数组(Java) [英] Generating random array of fixed length (Java)

问题描述

我只是想更改我的代码，以便每次运行该代码时都会生成一个固定长度为100的整数的随机数组，而不是在代码中仅包含一个预先设置的数组.我对此很陌生，所以只需要一个正确方向的指南，谢谢

im just looking to change my code so that a random array of a fixed length of 100 integers is generated every time the code is ran rather than just have a pre-set array within the code. Im quite new to this so just need a guide in the right direction, thanks

    public class Selectionsort { 

  public static void main(String[] args) { 

      int[]numbers= {15,8,6,21,3,54,6,876,56,12,1,4,9}; 

      sort(numbers); 

      printArray(numbers); 

  } 



  public static int[] sort(int[] A){ 

      for(int i=0; i< A.length-1; i++){ 

          int minIndex = i; 

          for(int j = i + 1; j < A.length; j++){ 

              if(A[j] < A[minIndex]){ 

                  minIndex = j; 

              } 

          } 

          int temp = A[minIndex]; 

          A[minIndex] = A[i]; 

          A[i] = temp; 

      } 



      return A; 

  } 



  public static void printArray(int[] A){ 

      for(int i=0; i<A.length; i++){ 

          System.out.println(A[i]); 

      } 

  } 

   } 

推荐答案

public class Selectionsort { 
     public static void main(String[] args) {     
        int[]numbers= new int[100]
        Random random = new Random();

       for(int i=0;i<numbers.length;i++){
           numbers[i]=random.nextInt(100);
       }
       sort(numbers); 

       printArray(numbers);
  } 

上面的代码段将帮助您为大小为100的数组创建一个介于1到100之间的随机数.

The above snippet will help you to create a random numbers between 1 to 100 for the array of size 100.

这篇关于生成固定长度的随机数组(Java)的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！