java冒泡排序

public class ooo {
        public static void main(String[]args){
            int i[]={5,9,6,4};
            for(int c=0;c<i.length;c++){
                System.out.println(i[c]);
            }
            System.out.println();
                for (int j = 1; j<i.length;j++){
                    if(i[j]>i[j+1]){
                        int l=i[j];
                        i[j]=i[j+1];
                        i[j+1]=l;
                    }
                }
            for(int u:i){
                System.out.println(u);
            }
        }
    }