No new Exception if not needed
Many of us do this when we want to throw an error. But if you are throwing exception from another catch, then don't make new exception object. Keep throwing the same exception which you caught if possible. This will be better for performance. And also in new exception usually we change the description only to reflect the perfect error cause, but other ways are there to track it.
Avoid excessive synchronization
Yah threading can be a bit complex situation sometimes in java. And we all use synchronization to avoid dead locks. But it needs a more attention then we give it. Try to make a block of code synchronized rather then making the whole method synched. The whole method will stop all other threads, waiting to go inside it. It will generate more overhead. So keep the design like we need less sync code.
Read Full @ javaLibs
Many of us do this when we want to throw an error. But if you are throwing exception from another catch, then don't make new exception object. Keep throwing the same exception which you caught if possible. This will be better for performance. And also in new exception usually we change the description only to reflect the perfect error cause, but other ways are there to track it.
Avoid excessive synchronization
Yah threading can be a bit complex situation sometimes in java. And we all use synchronization to avoid dead locks. But it needs a more attention then we give it. Try to make a block of code synchronized rather then making the whole method synched. The whole method will stop all other threads, waiting to go inside it. It will generate more overhead. So keep the design like we need less sync code.
Read Full @ javaLibs
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