Java Playground - Evaluate JavaScript expression via ScriptEngineManager: Online Interpreter, Compiler & Editor

JAVA

java

import javax.script.*;
import java.io.*;
/*
 * try again if "Memory limit exceeded"
 * Output:
 * (10+2*(3.14))/2
 * 8.14
 */
public class Program
{
    public static void main(String[] args) {
        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("JavaScript");
        
        String expression = "(10+2*(3.14))/2";
        System.out.println(expression);
        StringReader reader = new StringReader(expression);
        
        try 
        {
            String result = engine.eval(reader).toString();
            System.out.println(result);
        } 
        catch (ScriptException exception) 
        {
            System.out.println("Error: " + exception);
        }
    }

OUTPUT