title: How to merge two large POJO's in java?
body: <p>How do I merge 2 large identical POJO's(~40 fields) in Java?</p>
  
  <p>Example</p>
  
  <pre><code>Satellite A: [name = ISS, period = 0.9, inclination = 0.8, launch_date=2016-01-04, launch_vehicle=null, has_propulsion=null]
  
  Satellite B: [name = International Space station, period= 0.91, inclination =0.802, launch_vehicle=BOAT, has_propulsion=false]
  </code></pre>
  
  <p>Into</p>
  
  <pre><code>Satellite C: [name = ISS, period = 0.9, inclination = 0.8, launch_date=2016-01-04, launch_vehicle=BOAT, has_propulsion=false]
  </code></pre>