testinterface.java

来自「java课程的资料以及实验的代码」· Java 代码 · 共 17 行

class TestDemo implements MyInterface
{
	public float add(float n1,float n2)
	{
		return n1+n2;
	}
	public float reduce(float n1,float n2)
	{
		return n1-n2;
	}
	public static void main(String args[])
	{
		TestDemo obj=new TestDemo();
		System.out.println(obj.add(34.5F,67.6F));
		System.out.println(obj.reduce(89.7F,78F));
	}
}