title: How to create a custom annotation in spring boot?
body: <p>i'm working on a spring project and i want to make annotation.</p>
  
  <p>I need something like the description below :</p>
  
  <pre><code>@CustomAnnotation("b")
  public int a(int value) {
    return value;
  }
  
  public int b(int value) {
    return value + 1 ;
  }
  
  --------------------------
  
  Execute :
  
  a(1) // should return '2'  
  </code></pre>