插入排序

package com.datastack.search;

import java.util.Arrays;

//插入排序
public class InsertSort {
    public static void main(String[] args) {
        int[] arr = new int[]{1,3,5,2,5,5,512,231,123,556,669};
        insertSort(arr);
        System.out.println(Arrays.toString(arr));
    }
    public static void insertSort(int[] arr){
        for(int i=1;i<arr.length;i++){
            int temp = arr[i];
            int left = i-1;
            while(left>=0 && arr[left] > temp){
                arr[left+1] = arr[left];
                left--;
            }
            arr[left+1] = temp;
        }
    }
}