How are variables stored?
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what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent
What is abstract class? Explain
Does java arraylist maintain insertion order?
How do you sort a string in java?
What is the use of math abs in java?
List some features of the abstract class.
What are the drawbacks for singleton class?
Which number is denoted by leading 0x or 0x in java?
What is a parameter in simple terms?
how to get the max salary and name of employee from arraylist without using the Comperator or even Comparable interface?
What does system.gc() and runtime.gc() methods do?
How can we handle runtime exceptions? write one sample program? Can we write runtime exceptions beside the throws key word? if yes write sample program?