10.2 为什么要使用泛型?
package EX;
public class FanXing
{
public static int getMax(int a, int b)
{ System.out.println("int,int:Max"); return (a>b)?a:b; }
public static float getMax(float a, float b)
{ System.out.println("float,float:Max"); return (a>b)?a:b; }
public static double getMax(double a, double b)
{ System.out.println("double,double:Max"); return (a>b)?a:b; }
public static void main(String[] args)
{
System.out.println(FanXing.getMax(3,5.2));
System.out.println(FanXing.getMax(3.5f,5.0f));
System.out.println(FanXing.getMax(3.5,5.0));
}
}
代码得不到
复用怎么办?
泛型
方法