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Question
State any one purpose of using the keyword this in Java programming.
Answer in Brief
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Solution
- In an instance method or constructor, this is a reference to the current object.
- The most common reason for utilising this term is when a field is shadowed by a method or constructor argument.
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Object as an Instance of a Class
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RELATED QUESTIONS
State any one difference between instance variable and class variable.
Consider the following statement written in class Circle where pi is its data member.
static final double pi = 3.142;
Which of the following statements are valid for pi?
- It contains a common value for all objects class Circle.
- Its value is non-changeable.
- At a time two access modifiers, static and final, cannot be applied to a single data member pi.
