Why java uses the concept of the string literal?
Explain different data types in Java.
How does singleton class work?
What is http client in java?
Explain the difference between the public, private, final, protected, and default modifiers?
Explain the importance of finally block in java?
What are methods and how are they defined?
Explain the difference between jvm and jre?
difference between byte stream class and character stream class?
Can we use static class instead of singleton?
What is difference between adapter class and listener?
What is a Transient Object?
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Detail discussions on JVM, memory management and garbage collector.