used when a new instance type gets created and it keeps the values that are copied in the new instance.
used to copy the reference pointers just like it copies the values.
allows faster execution of the program and it depends on the size of the data that is used.
Deep copy
used to store the values that are already copied.
doesn’t copy the reference pointers to the objects, it makes the reference to an object and the new object that is pointed by some other object gets stored.
makes execution of the program slower due to making certain copies for each object that is been called.
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