otherclass.java

JAVA培训用实用代码

class Person {
	private int id;
	public static int total = 0;
	public Person() {
		 total++;
		 id = total;
	}
}

public class OtherClass {
	public static void main(String args[]) {
		Person.total = 100;
		System.out.println(Person.total);
		Person c = new Person();
		System.out.println(Person.total);
	}
}