Can you extend singleton class?
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What is unicode in java?
Is hashset ordered?
What is a constructor overloading in java?
garbate collector(GC)?
Explain how can you debug the Java code?
How do you declare a string variable?
How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?
what is the use of StringBuffer?
Is &&= a valid Java operator?
what is business objects?
How do you represent a space in regex java?
Java run-time system generates What class of exceptions?