小白面试：冒泡排序

public class InsertSort {
    private static int al[] = new int[10];
    public InsertSort() {
        al[0]=2;
        al[1]=3;
        al[2]=23;
        al[3]=45;
        al[4]=1;
        al[5]=67;
        al[6]=23;
        al[7]=80;
        al[8]=35;
        al[9]=72;
    }
    public static void main(String[] args) {
        InsertSort bs = new InsertSort();
        System.out.println("排序前： ");
        display(al);
        for(int i=0;i<al.length;i++) {
            for (int j = 0; j < al.length-i-1; j++) {
                if(al[j]>al[j+1]) {
                    swap(j,j+1);
                }
            }
        }
        System.out.println();
        System.out.println("排序后： ");
        display(al);
    }


    private static void display(int[] al2) {
        for (int i = 0; i < al2.length; i++) {
            System.out.print(al2[i]+" ");
        }
    }
    private static void swap(int i, int j) {
        int temp = al[i];
        al[i]= al[j];
        al[j] = temp;
    }


}