JDK 6 Script Engine

One of the cool feature of jdk1.6 is the ability to call java script from the java code. Have a look at the sample code, which reverse the string using java script

package com.jdk16;

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

public class ReverseUsingJS {
public static void main(String args[]) {
ScriptEngineManager scriptManager = new ScriptEngineManager();
ScriptEngine engine = scriptManager.getEngineByName("javascript");
try {
engine.put("name", "reverse");
engine.eval("var outputVar = '';for (i = 0; i <= name.length; i++) {"
+ " outputVar = name.charAt(i) + outputVar" + "}");
String name = (String) engine.get("outputVar");
System.out.println(name);
} catch (ScriptException e) {
System.err.println(e);
}
}
}