JAVA中跳出当前多重嵌套循环的方法详解

ok:
for (int i = 0; i < 10; i++) {
    for (int j = 0; j < 10; j++) {
        System.out.println("i=" + i + ",j=" + j);
        if (j == 5) break ok;
    }
}

int arr[][] ={{1,2,3},{4,5,6,7},{8,9}};
boolean flag= false;
for(int i=0;i<arr.length&&!found;i++) {
    for(int j=0;j<arr[i].length;j++){
        System.out.println("i=" + i +",j=" + j);
        if(arr[i][j]==6) {
            flag=true;
            break;
        }
    }
}

int flag = 0；
int arr[][]={{1,2,3},{4,5,6},{7,8,9}};
for(int i = 0;i<arr.length;i++){
    for(int j= 0;j<arr.length;j++){
        if(arr[i][j] == 5){
            flag = 1;
            break;
        }
        if(flag = 1)
            break;
    }
}