Explain the difference between jvm and jre?
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wht is mean by dirty read?
What is the use of keywords in java?
Can we compare two strings in java?
Can we catch more than one exception in a single catch block?
What is nullpointerexception in java?
What are 5 boolean operators?
What are possible key words, we can use to declare a class?
what is the role of xml in core java?? and how we can use it?? can somebody give a sample program with explanation and from where i can read more about xml?????
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Explain illegalmonitorstateexception and when it will be thrown?
what is real-time example of runtime polymorphism and compile time polymorphism
What is the differnence between String Buffer and String builder despite having knowledge that String builder is faster than String Buffer and last one is threadsafe.please tell another important difference.
How can u increase the heap size in the memory?