public class Ex20PostPre
{
	public static void main(String[] args)
	{
		int studentID = 100;
		int curStudentID;
		curStudentID = ++studentID;  //prefix increment, increase studentID then assign
		System.out.println("The first student ID is " + curStudentID);
		curStudentID = ++studentID;
		System.out.println("The second student ID is " + curStudentID);
       
		studentID = 100;
		curStudentID = studentID++;  //postfix increment, assign then increase studentID
		System.out.println("The first student ID is " + curStudentID);
		curStudentID = studentID++;
		System.out.println("The second student ID is " + curStudentID);
	}
}