What is the purpose of sizeof operator?
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Explain reverse a linked list iterative solution in java?
What is Connection pooling? Explain Pros and Cons?
Why do we need wrapper class?
What is the use of inner class?
What is the minimum and maximum length of an identifier?
What are the access modifiers in java?
What are the advantages of arraylist over arrays?
Can you explain the Java thread lifecycle?
When do we use hashset over treeset?
List interface?
What is class array in java?
What is variable and constant explain with example?