



Explain the relationship between reference variables and the design principle of loose coupling in object-oriented programming.
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what is reference variable in java Informational
- How is a reference variable declared in Java?
- How can you use custom class loaders to isolate classes and objects, and how do reference variables behave across different class loaders?
- Can you have an array of reference variables that initially don't point to any objects?
- How does autoboxing and unboxing affect the assignment of primitive values to wrapper class reference variables and vice versa?
- What is the purpose of declaring a reference variable outside a try block if it's used within it?
- What are the rules regarding capturing effectively final variables in lambda expressions?
- When you create a Thread object, you assign it to a reference variable. Why?
- When should you create a new object instead of reusing an existing one through a reference variable?
- How can you avoid unintentionally modifying objects when passing them as arguments through reference variables?
- What are the implications of using reference variables with generic types and type parameters?
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