method_overloading.java

来自「JAVA程序设计课程中各章节的程序实例。」· Java 代码 · 共 37 行

//Method overloadiong
class Overload
{
	void test()
	{
		System.out.println("No parameters");
	}

	void test(int a)
	{
		System.out.println("a:" + a);
	}

	void test(int a, int b)
	{
		System.out.println("a and b:" + a + ' ' + b);
	}

	double test(double a)
	{
		return a*a;
	}
}

class Method_overloading
{
	public static void main(String args[])
	{
		Overload O = new Overload();	
		
		O.test();
		O.test(1);
		O.test(1,2);
		double result = O.test(123.4);
		System.out.println("the result is:" + result);
	}
}