Should database connections be singleton?
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If a class is declared without any access modifiers, where can the class be accessed?
What does provide mean construction?
What is OOPs & Why?
What is a stream? what are the different types and classes of Streams?
What is variable explain with example?
Can you start a thread twice in Java?
Is Java is 100% pure OOPS? Explain?
In treeset we add same object ...what will be the out put
Give a briefing on the life cycle of a thread.
Can we use String with switch case?
Java violates few objected oriented concepts. Can you explain in what way?
Can we serialize static variables in java?