How can we break singleton in java?
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Does A Class Inherit The Constructors Of Its Superclass?
Is hashmap thread safe?
What is casting?
How is string immutable in java?
What are access specifiers in java ?
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Enlist diffrent types of inheritance supported by java?
Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.
What does t in java mean?
Write code of any action class?
can we access the super class method using subclass object?
What is * argv?
1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?