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Which of the following is used to avoid naming conflicts?Select one:new keywordstatic blocknon-static blockthis keyword

Question

Which of the following is used to avoid naming conflicts?

Select one:

  • new keyword
  • static block
  • non-static block
  • this keyword
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Solution

The "this" keyword is used to avoid naming conflicts.

Here's a step-by-step explanation:

  1. In Java, "this" is a reference variable that refers to the current object.

  2. It is primarily used in three situations:

    • First, it can be used to refer to the current class instance variable if a method or constructor of this class has a parameter with the same name as an instance variable.
    • Second, it can be used to invoke the current class method.
    • Third, it can be used to return the current class instance.
  3. By using the "this" keyword, we can distinguish between class attributes and parameters with the same name. This is how it helps to avoid naming conflicts.

For example, if you have a class like this:

public class Student {
    String name;

    public Student(String name) {
        this.name = name;
    }
}

In the constructor, "name" is a parameter and "this.name" is the instance variable. The "this" keyword is used to distinguish between the two and avoid a naming conflict.

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