title: How to have two functions that call each other Java
body: <p>i know we do this in C++ like this :</p>
  
  <pre><code>int a();
  int b() { 
    return a();
  }
  int a() { 
    return b();
  }
  </code></pre>
  
  <p>how i can do something like this in Java ?</p>