27 lines
597 B
Java
27 lines
597 B
Java
// patterns/CommandPattern.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.util.*;
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class Command {
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public final String msg;
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public Command(String msg) {
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this.msg = msg;
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}
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}
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public class CommandPattern {
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public static void show(Command cmd) {
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System.out.println(cmd.msg);
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}
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public static void main(String[] args) {
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show(new Command("First Command"));
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show(new Command("Second Command"));
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}
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}
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/* Output:
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First Command
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Second Command
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*/
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