What is stringbuffer in java?
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How many types of packages are there in Java?
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).
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Explain the public class modifier?
What are the new features in java 8?
why we cannot declare static variable inside a static method
What is non static block in java
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transaction attributes ?
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Explain the use of volatile field modifier?
Is int primitive data type?
Is null a string or object in java?
what is domain object