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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 26641How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?
4 12543Can 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 11168What 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 15691what 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 29135If 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 15624what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent
2116
Why is stringbuffer not immutable?
What is 32 bit float?
What is the use of keywords in java?
What is autoboxing and unboxing?
Why should we use singleton pattern instead of static class?
How many threads can I run java?
Explain importance of finally block in java?
What does this mean java?
What are the drawbacks of reflection?
What are the basic interfaces of java collections framework?
What is java console application?
Define the term string pool?
What is the difference between and ?
Why is multithreading important?
Can singleton class be serialized?
