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Class Literals in Java

The Java tutorial introduces class literals as a special type of literal formed by appending ".class" to a type name. These literals refer to an object of type Class that represents the type itself.

Assigning to Variables

Class literals can be assigned to variables of type Class, which represents the class or interface that the literal refers to. For instance:

<code class="java">Class<String> c = String.class;</code>

Assigning a class literal to a Class variable allows access to reflection-related functionalities for the corresponding type. Some common use-cases include:

• Getting the class name
• Retrieving fields and methods
• Creating new instances
• Checking for compatibility

Example

The following code snippet demonstrates the use of a class literal to get the class name:

<code class="java">Class<String> c = String.class;
System.out.println(c.getName()); // Prints "java.lang.String"</code>

By understanding class literals, we gain access to powerful reflection capabilities, enabling us to manipulate and introspect types at runtime.

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