What is hashmap in java?
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Where is java located?
What happens when heap memory is full?
What is a byte array?
Can a static block throw exception?
what is function overloading in java?
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How to convert string to int in java?
Explain how can you debug the Java code?
we know that every java prog must follows OOPS Principles. Anybody can answer, HOW THE FOLLOWING PROGRAM FOLLOWS OOPS CONCEPTS i.e, Inheritance,Polymarphism,Encapsulation? class a{ public static void main(String args[]){ System.out.println("Hello World"); } }
What will happen inside init() in servlet. my interviewer asked servlet lifecycle. i said "once servlet is loaded in to memory init() will be called which performs servlet initialization " . Again interview asked what values will be initialized . what is difference between init() and init(ServletConfig config).
2 Answers Infinite Computer Solutions, TCS,
What is class forname used for?
What is deadlock and how to avoid this?
Which programming language is best in future?