title: How to encode a text with rsa/ecb/pkcs1 padding mode with a given public key in java?
body: <p>I want to encode a string with rsa/ecb/pkcs1 padding mode with a given public key (the public key is a string) in java.</p>
  
  <p>I also want to present the results in UTF-8 Format 
  how to do it?</p>