requestdemo.java

java课程的资料以及实验的代码

class WelcomeRequest implements IRequest {
    private String place;
 
    public WelcomeRequest(String place) {
        this.place = place;
    }
 
    public void execute() {
        System.out.printf("Hello welcome to huapuI%n", place);
    }
}
class HelloRequest implements IRequest {
    private String name;
 
    public HelloRequest(String name) {
        this.name = name;
    }
 
    public void execute() {
        System.out.printf("IsepI%n", name);
    }
}
public class RequestDemo {
    public static void main(String[] args) {
        for(int i = 0; i < 10; i++) {
            int n = (int) (Math.random() * 10) % 2;// 随机产生
            switch (n) {
                case 0:
                    doRequest(
                         new HelloRequest("Jon"));
                    break;
                case 1:
                    doRequest(new WelcomeRequest("Huapu.org"));
            }
        }
    }
 
    public static void doRequest(IRequest request) {
        request.execute();
    }
    }