Java bubble sort algorithm

{class StringSampleDemo public 
    public static void main (String [] args) { 
        int [] = {ARR. 1, 2, -20, 20 is,. 6,. 7, 90}; 
        int NUM = arr.length; 

        how many times after sorting // 
        for (int NUM = K -. 1; K> 0; K--) { 
            int In Flag = 0; 
            // every time comparison logic 
            for (int I = 0; I <K; I ++) { 
                IF (ARR [I]> ARR [I +. 1]) { 
                    int ARR TEMP = [I]; 
                    ARR [I] = ARR [I +. 1]; 
                    ARR [I +. 1] = TEMP; 
                    In Flag =. 1; 
                } 
            } 
            IF (In Flag == 0) { 
                BREAK; 
            } 
        }

        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }

        /*
        *  -20
            1
            2
            6
            7
            20
            90
        * */
    }
}