How to sort numbers in java without array?
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What are alternatives to java serialization?
When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?
Is array primitive data type in java?
What is regex used for?
Differentiate between the constructors and methods in java?
What technique can be employed to compare two strings?
How many digits is int32?
What type of variable is error flag?
Define the term string pool?
Difference between local and global transaction ?
What is deadlock and how to avoid this?
How many types of gc are there in java?