// onjava/Operation.java

// (c)2016 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

package onjava;

import java.util.*;

public interface Operation {

void execute();

static void runOps(Operation... ops) {

for(Operation op : ops)

op.execute();

}

static void show(String msg) {

System.out.println(msg);

}

}