Java Language Best Practices

https://docs.oracle.com/cd/A97688_16/generic.903/bp/java.htm

• Avoid or Minimize Synchronization

   

• Monitor Synchronization

   

• Monitor and Fix Resource Leaks

   

• Always Use a Finally Clause In Each Method to Cleanup

   

• Discard Objects That Throw Catch-All Exceptions

   

• Design Transactions Usage Correctly

   

• Put Business Logic In the Right Place

   

• Avoid Common Errors That Can Result In Memory Leaks

   

• Avoid Creating Objects or Performing Operations That May Not Be Used

   

• Replace Hashtable and Vector With Hashmap, ArrayList, or LinkedList If Possible

   

• Reuse Objects Instead of Creating New Ones If Possible

   

• Use Stringbuffer Instead of String Concatenation