How do reference variables facilitate dependency injection, a key aspect of achieving loose coupling?
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what is reference variable in java Informational
- Explain the concept of aliasing, where multiple reference variables point to the same mutable object, and its potential side effects.
- How do reference variables behave differently when dealing with mutable versus immutable objects?
- How does the Template Method design pattern use reference variables to call abstract and concrete methods in a specific sequence?
- Describe a scenario where multiple reference variables point to the same object and the implications of this.
- How can you use profiling tools to monitor object creation, reference lifetimes, and garbage collection activity in your Java applications?
- How do operations like push, pop, enqueue, and dequeue manipulate these reference variables?
- Can you have an array of reference variables that initially don't point to any objects?
- How can you use custom class loaders to isolate classes and objects, and how do reference variables behave across different class loaders?
- What are the implications of a reference variable being null?
- When you declare an array of objects, what are you actually creating in terms of reference variables?
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