title: Interview Question, how to prevent n threads n resources deadlock in java
body: <p>This question was asked in an interview and the approach taken architecturally to solve this problem at high level was being judged. In Java, how can this be solved
  -->N threads .. n resources .. what protocol do you use to ensure no deadlocks occur? </p>
  
  <p>So, can someone let me know the most optimal approach ? making all the methods synchronized 
  can make the system deadlocked, so how to solve this problem ?</p>