Bubble sort

Bubble sort

import java.util.Arrays;
public class MaoPao{
    
    public static void main(String[] args) {
    
         /*  for the first time  3,10,24,12; 3,10,24,12; 3,10,12.24;  The second time  3,10,12 3,10,12  third time  3,10 */
        int [] num = {
    10,3,24,12};
        for (int i = num.length - 1; i > 0; i--) {
    // Number of times to queue 
            for (int j = 0; j < i; j++) {
    
                int temp;// Temporary variables store data 
                if (num[j] > num[j + 1]) {
    
                    temp = num[j];// Save the first value 
                    num[j] = num[j + 1];// Give the second array to the first 
                    num[j + 1] = temp;// Give the stored data to the second number 

                }
            }
        }
        System.out.println(Arrays.toString(num));
    }

}