class MyArrays{
public static String toString(int [] arr) {
String result="";
for(int i=0;i<arr.length;i++) {
if(i==0) {
result+="["+arr[i]+",";
}else if(i==(arr.length-1)) {
result+=arr[i]+"]";
}else {
result+=arr[i]+",";
}
}
return result;
}
public static void sort(int [] arr) {
for(int i=0;i<arr.length;i++) {
for(int j=0;j<arr.length-1-i;j++) {
if(arr[j]>arr[j+1]) {
int temp=arr[j];
arr[j]=arr[j+1];
arr[j+1]=temp;
}
}
}
}
}
public class Demo47 {
public static void main(String[] args) {
int [] arr= {12,11,19,14};
MyArrays.sort(arr);
System.out.println("数组元素是："+MyArrays.toString(arr));
}
}
