For - If exercise

// print the counting of the 5 times numbers from 1 ~ 100
int count = 0;
for(int i = 1; i <= 100; i++) {
  if(i % 5 == 0) {	
    System.out.println(" i : " + i);
    count++;
  } // end of if
} // end of for
System.out.println("count : " + count);

// print as following :
000
111
222

for (int a = 0; a < 3; a++) {
  for (int i = 0; i < 3; i++) {
    System.out.print(a);
  } // inner of for
System.out.println();
} // out of for