import java.util.*;
public class Main {
public static void main(String[]args){
int [] arr={3,1,4,2};
System.out.print("待排非空整数数组:");
for(int i=0;i<arr.length-1;i++){
System.out.print(arr[i]+",");
}
System.out.println();
Main m=new Main();
int[] a=m.solution(arr);
System.out.print("排序后的数组:");
for(int i=0;i<a.length-1;i++){
System.out.print(a[i]+",");
}
}
public int[] solution(int[] a) {
for(int i=0;i<a.length-1;i++){
for(int j=0;j<a.length-1-i;j++){
int t;
if(a[j]>a[j+1]){
t=a[j];
a[j]=a[j+1];
a[j+1]=t;
}
}
}
return a;
}
}