title: Program execution in Eclipse is very slow when compared to command prompt
body: <p>I have created a Java program which reads encrypted files from local system and does some processing. Actually I have 20 files to read so I have used threading mechanism to speed up the program execution.</p>
  
  <p>When I run the program in Eclipse it takes more than 30 minutes to complete the execution, whereas if I make a runnable jar and execute the program using command prompt, it takes less than a minute.</p>
  
  <p>Why does running programs in Eclipse take more time than running them in command prompt?</p>