j3_16.java

来自「石志国著《JSP应用教程》」· Java 代码 · 共 17 行

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