tree.java

来自「Java与面向对象程序设计实验教学讲义.复数类的实现,复数类的复杂运算,身份证号」· Java 代码 · 共 12 行

import java.util.*;
class Tree
{  int height;
   void setHeight(int h) {  height=h; }
   void info()
   { prt("Tree is " + height + " feet tall"); }
   void info(String s)
   { prt(s + ": Tree is " + height + " feet tall"); }
    static void prt(String s)
   { System.out.println(s); }
}