simpleclassdemo4.java

来自「JAVA程序设计课程中各章节的程序实例。」· Java 代码 · 共 44 行

/**
*A overloading program of polymorphism demonstration
* it's a simple but classical example!
*2005.1.10. xhcprince
*/

class Overload
{
	int add(int a, int b)
	{
		return a+b;
	}
		
	float add(float a, float b)
	{
		return a+b;
	}
	
	String add(String a, String b)
	{
		return a+b;
	}
}

class simpleClassDemo4
{
	public static void main(String args[])
	{
		Overload obj = new Overload();
		
		int a = 1,
			b = 2;
		
		float c = 11.12f,
			  d = 23.44f;
			  
		String e = ":)",
		       f = "(:";
		       
		System.out.println("Integer version: " + obj.add(a,b));
		System.out.println("Float version: " + obj.add(c,d));
		System.out.println("String version: " + obj.add(e,f));
	}
}