packagedemo.java

这是清华大学编写的JAVA教材中所有题目的源代码！

import mypackage.Calculate;

public class PackageDemo
{
	public static void main(String args[])
	{
		Calculate calc=new Calculate();
		int sum=calc.add(10,20);
		double vol=calc.volume(10.3f,13.2f,32.32f);
		int div=calc.divide(20,4);
		System.out.println("相加得:"+sum);
		System.out.println("体积为:"+vol);
		System.out.println("相除得:"+div);
	}
}