Can any one help me in finding the basic difference between mutable and immutable?
Can any one help me in finding the basic difference between mutable and immutable?
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Can any one help me in finding the basic difference between mutable and immutable?
Immutable means that once initialized, the state of an object cannot change.
Mutable means it can.
For example – strings in .NET are immutable. Whenever you do an operation on a string (trims, upper casing, etc…) a new string gets created.
In practice, if you want to create an immutable type, you only allow getters on it and do not allow any state changes (so any private field cannot change once the constructor finished running).