//泛型接口定义
interface ISum {
public abstract void sum(T... t);
}
//从泛型接口继承的具体类型类
class IntSum implements ISum {
public void sum(Integer... t) {
int s = 0;
for (int e : t) {
s += e;
}
System.out.println(s);
}
}
class DoubleSum implements ISum {
public void sum(Double... t) {
double s = 0.0;
for (double e : t) {
s += e;
}
System.out.println(s);
}
}
//使用示例
public class SumMain {
public static void main(String[] args) {
IntSum intSum = new IntSum();
intSum.sum(1, 2, 3, 4, 5);
intSum.sum(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
DoubleSum doubleSum = new DoubleSum();
doubleSum.sum(1.0, 1.5, 2.0, 2.5, 3.0);
doubleSum.sum(1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0);
}
}
