//冒泡排序
package test;
public class Maopaosort {
public static void method(){
int[] arr=new int[10];
for(int i=0;i<arr.length;i++){
arr[i]=(int) (Math.random()*100+1);
}
System.out.println();
for(int num:arr){
System.out.print(num+" ");
}
System.out.println();
for(int i=0;i<arr.length-1;i++){
for(int j=0;j<arr.length-1-i;j++){
int tem;
if(arr[j]<arr[j+1]){
tem=arr[j];
arr[j]=arr[j+1];
arr[j+1]=tem;
}
}
System.out.println("这是第"+(i+1)+"次排序结果:");
for(int num:arr){
System.out.print(num+" ");
}
System.out.println();
}
System.out.println("最终排序结果为:");
for(int num:arr){
System.out.print(num+" ");
}
}
public static void main(String[] args) {
method();
}
}
//选择排序
package SelectionSort;
public class SelectionSort{
public static void selectionsort(){
int tem;
int[] arr=new int[10];
for(int i=0;i<arr.length;i++){
arr[i]=(int)(Math.random()*100+1);
}
for(int num:arr){
System.out.print(num+" ");
}
System.out.println();
System.out.println("--------华丽的分割线--------");
for(int i=0;i<arr.length-1;i++){
int k=0;
for(int j=1;j<arr.length-i;j++){
if(arr[k]>arr[j]){
k=j;
}
}
System.out.println("第"+(i+1)+"次,"+"数组arr[]中的第"+(k+1)+"个数最小,为"+arr[k]);
tem=arr[arr.length-i-1];
arr[arr.length-i-1]=arr[k];
arr[k]=tem;
System.out.println("第"+(i+1)+"次排序结果为:");
for(int num:arr){
System.out.print(num+" ");
}
System.out.println();
}
System.out.println("选择排序的最终结果为");
for(int num:arr){
System.out.print(num+" ");
}
}
public static void main(String[] args) {
selectionsort();
}
}
来源:https://www.cnblogs.com/sxx1993/p/7550025.html