understanding for loop java code example

Example 1: how to make a loop in java

for (int i = 0; i < 3; i++) {}

Example 2: how to make a loop in java

// Starting on 0:
for(int i = 0; i < 5; i++) {
  System.out.println(i + 1);
}

// Starting on 1:
for(int i = 1; i <= 5; i++) {
  System.out.println(i);
}