20 lines
460 B
Java
20 lines
460 B
Java
package com.iluwatar;
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/**
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* Callback pattern is more native for dynamic languages where function are first-class citizen.
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* Prior to Java8 can be simulated using simple (alike command) interfaces.
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*/
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public class App {
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public static void main(String[] args) {
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Task task = new SimpleTask();
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Callback callback = new Callback() {
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@Override
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public void call() {
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System.out.println("I'm done now.");
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}
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};
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task.executeWith(callback);
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}
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}
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