Main.java Source code

Introduction

Here is the source code for Main.java

Source

import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;

public class Main {

    public static void main(String[] args) throws Exception {
        ScriptEngineManager manager = new ScriptEngineManager();

        ScriptEngine engine = manager.getEngineByName("js");

        engine.eval("function add (a, b) {c = a + b; return c; }");
        Invocable jsInvoke = (Invocable) engine;

        Object result1 = jsInvoke.invokeFunction("add", new Object[] { 10, 5 });
        System.out.println(result1);

        Adder adder = jsInvoke.getInterface(Adder.class);
        int result2 = adder.add(10, 5);
        System.out.println(result2);
    }
}

interface Adder {
    int add(int a, int b);
}