http://courses.cs.taltech.ee/w/index.php?action=history&feed=atom&title=ITI0011%3ALoeng_11 2026-04-05T18:43:33Z Selle lehekülje redigeerimiste ajalugu MediaWiki 1.35.9 http://courses.cs.taltech.ee/w/index.php?title=ITI0011:Loeng_11&diff=1019&oldid=prev 2014-11-11T10:28:25Z

<p>Uus lehekülg: &#039;Loengus kasutatav lähtekood: &lt;source lang=&quot;java&quot;&gt; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class UndoActionsExample { public stat...&#039;</p> <p><b>Uus lehekülg</b></p><div>Loengus kasutatav lähtekood:<br /> <br /> &lt;source lang=&quot;java&quot;&gt;<br /> <br /> import java.util.ArrayList;<br /> import java.util.Arrays;<br /> import java.util.List;<br /> <br /> public class UndoActionsExample {<br /> <br /> public static class Element {<br /> public Integer number;<br /> }<br /> <br /> public static abstract class Action {<br /> abstract void undo();<br /> }<br /> <br /> public static class AddAction extends Action {<br /> @Override<br /> void undo() {<br /> }<br /> <br /> }<br /> <br /> public static class ChangeAction extends Action {<br /> <br /> @Override<br /> void undo() {<br /> }<br /> }<br /> <br /> public static class DeleteAction extends Action {<br /> @Override<br /> void undo() {<br /> }<br /> <br /> }<br /> <br /> static List&lt;Action&gt; actions = new ArrayList&lt;Action&gt;();<br /> <br /> static List&lt;Element&gt; elements = new ArrayList&lt;Element&gt;();<br /> <br /> public static void main(String[] args) {<br /> <br /> addNumber(10);<br /> addNumber(20);<br /> addNumber(30);<br /> removeNumber(1);<br /> changeNumber(0, 5);<br /> print();<br /> <br /> undo(); print();<br /> undo(); print();<br /> undo(); print();<br /> undo(); print();<br /> undo(); print();<br /> <br /> <br /> }<br /> <br /> public static void addNumber(Integer number) {<br /> }<br /> <br /> public static void changeNumber(int index, Integer number) {<br /> }<br /> <br /> public static void removeNumber(int index) {<br /> }<br /> <br /> public static void print() {<br /> System.out.println(Arrays.toString(elements.toArray()));<br /> }<br /> public static void printActions() {<br /> System.out.println(Arrays.toString(actions.toArray()));<br /> }<br /> <br /> public static void undo() {<br /> }<br /> <br /> }<br /> <br /> &lt;/source&gt;</div>

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