What is string buffer?
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Should a main method be compulsorily declared in all java classes?
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What is non static block in java
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What is the difference amongst jvm spec, jvm implementation, jvm runtime ?
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Can you add null to a list java?
Hi Friends, I am new to java. Can u explain about thread concept.How i know one thread is locked, and how can i force or acquire another thread for lock . Finally how to know thread is released from lock. Explain types of lock(like method level and block level) in thread.
what is the difference between thread and runnable types? : Java thread