40 lines
929 B
Java
40 lines
929 B
Java
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// interfaces/MetalWork.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 onjava.Operation;
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class Heat implements Operation {
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@Override public void execute() {
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Operation.show("Heat");
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}
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}
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public class MetalWork {
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public static void main(String[] args) {
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// Must be defined in a static context
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// to access a method reference:
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Operation twist = new Operation() {
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public void execute() {
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Operation.show("Twist");
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}
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};
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Operation.runOps(
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new Heat(), // [1]
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new Operation() { // [2]
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public void execute() {
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Operation.show("Hammer");
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}
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},
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twist::execute, // [3]
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() -> Operation.show("Anneal") // [4]
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);
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}
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}
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/* Output:
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Heat
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Hammer
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Twist
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Anneal
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*/
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