What is the difference between checked exception and unchecked exception?
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Why volatile is used in java?
Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.
Difference between keyword and identifier.
can you use the two main method in same class?how?
4 Answers DELL, Geosoft, SparkTG,
what is the purpose of method overriding in java where v r completely re-defining a inherited method instead y can't v create a new method and define.If the question is very silly plz excuse me and do reply.Thank U!
7 Answers emc2, Kumaran Systems,
How many types of threads are there in java?
What does s mean in regex?
what is the main class of all the classes
What are the drawbacks for singleton class?
How infinite loop is declared?
What is the difference between declaration and definition in java?
How do you join strings in java?