Q: Automatic conversion of primitive data into an object of wrapper class is called:

Answer: A

Explanation:

Automatic conversion of primitive data into an object of a wrapper class is called autoboxing.

Autoboxing is a feature in Java that allows automatic conversion between primitive types (such as int, float, double, etc.) and their corresponding wrapper classes (such as Integer, Float, Double, etc.).
For example, Java automatically converts an int to an Integer when it is assigned to an Integer object or used in a context where an Integer is expected.

a) autoboxing

switch case in Java

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