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            "name": "1. What is a wrapper class in Java?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "A wrapper class in Java is a class that consolidates, or \"wraps,\" a crude information type into an item, for example, an int, burn, or boolean. It empowers the treatment of crude information types as articles, adding new usefulness and strategies."
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                "text": "Java uses wrapper classes for several reasons.\n\u00a0\u00a0\u00a0- To operate with objects, not primitives, in collections like ArrayList and HashMap.\n\u00a0\u00a0\u00a0- To offer practical techniques for the conversion and processing of data.\n\u00a0\u00a0\u00a0- To use the corresponding wrapper classes for primitive data types to represent null values for those forms of data."
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            "name": "3. What is an example of a wrapper class in Java?",
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                "text": "The wrapper class 'Integer', which encapsulates the fundamental data type 'int', is an illustration of a wrapper class. For instance, you can construct an object with \"Integer\" and conduct operations like data type conversions and use methods like \"parseInt().\""
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            "name": "4. What is the difference between primitive and wrapper classes?",
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                "text": "The following are the primary variations between primitive and wrapper classes:\n\u00a0\u00a0\u00a0- Wrapper classes hold objects, whereas primitive data types store raw data values.\n\u00a0\u00a0\u00a0Primitive types use less memory, whereas wrapper classes offer more functionality.\n\u00a0\u00a0\u00a0- Wrapper classes may be null, although primitive types have default values (such as 0 for int).\n\u00a0\u00a0\u00a0- The automatic conversion between primitives and their wrapper classes is made possible by autoboxing and unpacking."
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