what is mutability?which one is mutable String or StringBuffer?and why?give examples of each which shows the mutability of each String or StringBuffer
4 25369How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?
4 11315Can we access private data outside of the class directly in java programming language? Why There is no runtime checking in java, which leads to access the private data directly outside of a class?
5 9378What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.
6 13951what 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 26553If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?
7 13584what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent
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What about method local inner classes or local inner classes in java?
Why do people says “java is robust”?
What is native method in java?
What is the purpose of lambda expressions?
Can we make constructors static?
What happens if we don’t define serial version uid?
What is the purpose of using bufferedinputstream and bufferedoutputstream classes?
What is the difference between && and & in java?
Is array a class in java?
How hashmap works in java?
What is methodological framework?
How can I right-justify a string?
How do you clear an arraylist in java?
Can we extend a class with private constructor?
What is a bubble sort in java?