week.java

来自「关于java面向对象系统分析方面的课件」· Java 代码 · 共 11 行

package s2Java.sg.ch03;

public class Week {
	private int days = 7;
	public static void main(String[] args) {
		Week w = new Week();
		w.days ++;
		System.out.println("一周有"+w.days+"天");
	}
}