Immutable Method Java
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Chris Okyen
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Published on 2012-11-12T01:14:47Z
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2012/11/12
5:14 UTC
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In Java, there is the final keyword in lieu of the const keyword in c and c++. In the latter languages their is mutable and immutable methods such as stated in one answer by Johannes Schaub - litb the question how-many-and-which-are-the-uses-of-const-in-ce
Use const to tell others methods won't change the logical state of this object.
struct SmartPtr {
int getCopies() const { return mCopiesMade; }
}ptr1;
...
int var = ptr.getCopies(); // returns mCopiesMade and is specified that to not modify objects state.
How is this performed in Java?
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