please make pseudocode,flowchart uml class diagram thank you

public class LockerPuzzle {

public static void main(String[] args){

boolean lock[] = new boolean[101];

for (int i = 1; i < lock.length; i++){

lock[i]=false;

}

for (int i = 1; i < lock.length; i++){

for (int j = i; j < lock.length;j++){

if ((j) % (i) == 0){

lock[j] = !lock[j];

}

}

// Display open lockers

if (lock[i] ==true){

System.out.println("Locker " + i + " is open.");

}

}

}

}