Why we override equals() method?
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How many types of packages are there in Java?
What is Three tier architecture. Can anyone explain with a Ordinary web application Project? (JSP,Servlets,JAVA,DAO) ?
Hi Friends, can u give code to convert ArrayList to HashMap and HashMap to ArrayList.
What’s meant by anonymous class?
Difference between operator overloading and function overloading
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Can a static class have a constructor java?
Sample code to retrieve objects from HashMap in sorted ascending order?
Can a class with private constructor be extended?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
what is Hashmap & Hashtable wirh example?
In how many ways we can do synchronization in java?
What are variable arguments or varargs?