两个使用Interface进行通信的独立类 [英] Two independent classes that communicate using an Interface
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问题描述
是否可以通过实现接口进行两个独立的类通信,如果是,如何进行通信?
Is it possible to have two independent class communicate by implementing an interface, and if so, how?
推荐答案
我认为这里使用接口有点极端,但我假设这是一个更大问题的简化
I think that using interfaces is a little extreme here but i'm assuming this is a simplification of a larger problem
public interface SomeInterface {
public void giveString(String string);
public String getString();
}
public class Class1 implements SomeInterface{
String string;
public Class1(String string) {
this.string = string;
}
//some code
@Override
public void giveString(String string) {
//do whatever with the string
this.string=string;
}
@Override
public String getString() {
return string;
}
}
public class Class2 implements SomeInterface{
String string;
public Class2(String string) {
this.string = string;
}
//some code
@Override
public void giveString(String string) {
//do whatever with the string
this.string=string;
}
@Override
public String getString() {
return string;
}
}
public class Test{
public static void main(String args[]){
//All of this code is inside a for loop
Class1 cl1=new Class1("TestString1");
Class2 cl2=new Class2("TestString2");
//note we can just communicate now, no interface
cl1.giveString(cl2.string);
//but we can also communicate using the interface
giveStringViaInterface(cl2,cl1);
}
//any class that extended SomeInterface could use this method
public static void giveStringViaInterface(SomeInterface from, SomeInterface to){
to.giveString(from.getString());
}
}
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