interfacedemo.java

java课程的资料以及实验的代码

class InterfaceDemo implements MyInterface
{
	public void add(int x, int y)
	{
		System.out.println(x+y);
	}
	
	public void volume(int x, int y, int z)
	{
		System.out.println(x*y*z);
	}
	
	public static void main(String args[])
	{
		InterfaceDemo d = new InterfaceDemo();
		d.add(20, 30);
		d.volume(10,20,30);
	}
}