What are access modifiers?
There are 4 access modifiers
• Public
• Protected
• Default
• Private
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What is a JAR file?
Can we override tostring method in java?
how to handled exceptions & erros in ejb?
Can you access non static variable in static context?
A non-static inner class may have object instances that are associated with instances of the class’s outer class. A static inner class does not have any object instances.
What does || mean in vectors?
Why collection doesn’t extend cloneable and serializable interfaces?
Difference between static synchronization vs. Instance synchronization?
What is java objectoutputstream?
How to create an immutable class?
What is the difference between class forname and new?
What is static and final keyword in java?