general structure for a basic while loop java code example

Example 1: how to make a loop in java

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

Example 2: loop while in java

while(i < 5) //while i < 5 stay in the loop
{
  System.out.print(i);
  i++;
}
/*
	do someting
	change variable
    call methods
    etc...
*/