How can you check the runtime type of an object referenced by a reference variable in Java?
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what is reference variable in java Informational
- How do reference variables facilitate dependency injection, a key aspect of achieving loose coupling?
- If a reference variable is final, can the object it points to still be modified?
- Avoid unnecessary creation of temporary objects and reference variables.
- Are wrapper class objects mutable or immutable?
- What are fluent interfaces and how do they often utilize method chaining and reference variables?
- Consider using Optional to represent potentially absent values instead of relying solely on null references.
- What are the implications of a reference variable being null?
- When you serialize an object, are the objects it refers to also serialized?
- What is the meaning of declaring a reference variable as final?
- When you call multiple methods on the same object in a chain, are you working with the same reference or different references?
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