title: convert String to runtime code in java
body: <p>I'm creating a software that would execute custom code line by string
  SO, is there any method function or whatever you want that can do that :</p>
  
  <pre><code>String command="println("the TEST work !!!")";
  magicExecMethod(command);
  </code></pre>
  
  <p>*and it print : the TEST work !!!</p>
  
  <p>Thancks</p>