What is the importance of hashcode() and equals() methods?
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When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
What will happen if we cannot mention "finally" in Java Program ???
What is final keyword in java?
What is a dot notation?
What are basic keywords?
What is java dot?
what is the swingutilities.invokelater(runnable) method for? : Java thread
What are the differences between stringbuffer and stringbuilder?
What are the basic concepts of OOPS in java?
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wHAT IS DEFAULT SPECIFIER IN JAVA wHAT IS DEFAULT CONSTRUCTOR IN JAVA wHAT IS DEFAULT METHOD IN JAVA
What causes memory leak in java?
What is Vector?Can you elaborate how Vector is Thread safe?