RunJavaScript.java Source code

Introduction

Here is the source code for RunJavaScript.java

Source

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;

public class RunJavaScript {
    public static void main(String args[]) {
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("javascript");
        try {
            Double hour = (Double) engine.eval("var date = new Date();" + "date.getHours();");
            String msg;
            if (hour < 10) {
                msg = "Good morning";
            } else if (hour < 16) {
                msg = "Good afternoon";
            } else if (hour < 20) {
                msg = "Good evening";
            } else {
                msg = "Good night";
            }
            System.out.println(hour);
            System.out.println(msg);
        } catch (ScriptException e) {
            System.err.println(e);
        }
    }
}
/*10.0
Good afternoon
*/