package com.bjpowernode.java_learning;

​

public class D70_1_BubbleSort {

  public static void main(String[] args) {

    /*

     * 冒泡排序算法：有一个int类型的数组：3 1 6 2 5

     */

    int[] a = {3,1,6,2,5,45,8,9,86};

    //开始排序

    for (int i=a.length-1;i>0;i--) {

      for (int j=0;j<i;j++) {

        if(a[j]>a[j+1]) {

          int temp = a[j];

          a[j] = a[j+1];

          a[j+1] = temp;

        }

      }

      //也可以这么写

      //for(int j=0;j<i;J++){

      //  if(a[j]>a[i]){

      //    int temp = a[j];

      //    a[j] = a[i];

      //    a[i] = temp;

      //}

    }

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

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

    }

   

  }

}

package com.bjpowernode.java_learning;

​

public class D70_2_SelectionSort {

  public static void main(String[] args) {

    int [] a = {45,4,8,2,69,31,2,0};

    int min = 0;

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

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

        if(a[i]>a[j]) {

          int temp = a[i];

          a[i] = a[j];

          a[j] = temp;

        }

      }

    }

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

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

    }

  }

}