Script Engine Which is currently supposed to be running lua code .

ScriptEngineSample.java

import javax.script.ScriptEngine;
import javax.script.ScriptEngineFactory;
import javax.script.ScriptEngineManager;
import org.luaj.vm2.*;
import org.luaj.vm2.lib.jse.*;
import javax.script.CompiledScript;
import javax.script.Bindings;
import javax.script.Compilable;

public class ScriptEngineSample {
    
    public static void main(String [] args) {
       ScriptEngineManager sem = new ScriptEngineManager();
       ScriptEngine e = sem.getEngineByName("luaj");        
       ScriptEngineFactory f = e.getFactory();

        String statement = "a = a + 4 ; return a;";
        try {
            
             CompiledScript cs = ((Compilable)e).compile(statement);
             //e.eval(statement); 
             Bindings b = e.createBindings(); 
             b.put("a",4);
             long s = System.currentTimeMillis();
             cs.eval(b);
            long end = System.currentTimeMillis();
            long estimatedTime = end - s ;
            System.out.println(estimatedTime);   
        }
       catch (Exception se ) {
                System.out.println("script exception ");
            }
       }
}


//Needs luaj-jse-3.0-beta2.jar  in order to execute this.