Java Programming, 100 locker problem

Question

hello i am intro to programming in java.. i have a problem from my teacher. 100 lockers are all open in an array. 1 person goes in changes all to closed. 2 every other. 3 every third, 4 every fourth and so on until 100. could some1 give me a walktrhough for some help. i understand i have to create the array. and i understand 0= open 1= closed. n= 1 (student).. n++ but other than that i am kind of stuck!.. any help and i would appreciate it.
thanks!

Answer 1

thats that helps alot.. could you help me decode some of this code i found into english so i can write my own version so it is not plagurism.
public static void main(String[] args) {
boolean [] lockers = new boolean [101];
     for(int i = 1; i < lockers.length; i++)
          lockers[i] = true;
for(int i = 2; i < lockers.length; i += 2)
     lockers[i] = false;
for(int i = 3; i < lockers.length; i++) {                      
     for(int j = 1; j < lockers.length; j++) {                               
          if(j % i == 0)
               lockers[j] =! lockers[j]; }}
System.out.print("Open lockers: ");
     for(int i = 1; i < lockers.length; i++) {                       
     if(lockers)
          System.out.print(" " + i);
               System.out.println();