Command pattern

design-pattern/src/Command/StringPrintCommand.java

@@ -0,0 +1,21 @@
+package Command;
+
+public class StringPrintCommand implements Command{
+
+    private final String string;
+
+    public StringPrintCommand(String string) {
+        this.string = string;
+    }
+
+    @Override
+    public void execute() {
+        System.out.println(this.string);
+    }
+
+    @Override
+    public int compareTo(Command o) {
+        return this.string.length() - ((StringPrintCommand) o).string.length();
+    }
+
+}