how to continue a java code in a program code example

Example 1: continue in java

int i=0;
while(i<10){
  if(i%2==0){
    i++;
    continue;// If it's pair we return to the while
  }
  System.out.println(i);// If is not we print it.
  i++;
}

Example 2: continue in java

int i = 0;
while (i < 10) {
  if (i == 4) {
    i++;  //why do I need this line ?
    continue;
  }
  System.out.println(i);
  i++;
}