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