冒泡排序算法

ShowMeBug.java

import java.util.*;

public class ShowMeBug {
  public static void main(String[] args) {
    int data[] = { 5, 4, 3, 2, 1 };
    bubbleSort(data);
    System.out.println(Arrays.toString(data));
  }

  public static void bubbleSort(int[] arr) {

    for (int i = 1; i < arr.length; i++) {
      for (int j = 0; j < arr.length - i; j++) {
        if (arr[j] > arr[j + 1]) {
          int temp = arr[j];

          arr[j] = arr[j + 1];

          arr[j + 1] = temp;
        }
      }
    }
  }
}