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HelloWorld.java
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HelloWorld.java
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/*
* jacline sample: helloworld
*
* Copyright 2023 Christian Kohlschütter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.kohlschutter.jacline.samples.helloworld;
import jsinterop.annotations.JsType;
/**
* A simple hello world example.
* <p>
* When both class and method are marked with {@code @JsExport}, you can reference the class in the
* browser by name, i.e.,
* {@code com.kohlschutter.jacline.samples.helloworld.HelloWorld.getHelloWorld()} works.
* <p>
* If they're not marked with {@code @JsExport}, the closure compiler can optimize this code away
* and ultimately produce a single-statement output file.
*/
@JsType // Mark this class as being accessible from jacline JavaScript
// @JsExport // Additionally, mark this class as being accessible from outside JavaScript
public final class HelloWorld {
private HelloWorld() {
}
/**
* Returns a hello world greeting.
*
* @return The greeting.
*/
// @JsExport // Mark this method as being accessible from outside JavaScript
public static String getHelloWorld() {
return "Hello from Java";
}
}