title: Promotion in Java?
body: <p>The rules for promotion is "when operands are of different types, automatic binary numeric promotion occurs with the smaller operand type being converted to the larger". But the operands are of same type for example, </p>
  
  <pre><code>byte=byte+byte // Compile time error... found int..
  </code></pre>
  
  <p>So why is it so?</p>