What is the syntax for defining a generic class in Java?Select one:a. class <MyGen>[<T>]b. class MyGen<T>c. class <MyGen>(T)d. class <MyGen>
Question
What is the syntax for defining a generic class in Java?
Select one:
- a.
class <MyGen>[<T>]
- b.
class MyGen<T>
- c.
class <MyGen>(T)
- d.
class <MyGen>
Solution
Break Down the Problem
- Identify the concept of generic classes in Java.
- Analyze each option provided to determine which one correctly represents the syntax for defining a generic class.
Relevant Concepts
- In Java, a generic class is defined using angle brackets
<>
to specify the type parameters.
Analysis and Detail
-
Option a:
class <MyGen>[<T>]
- This syntax is incorrect due to the misplaced angle brackets. The angle brackets should directly follow the class name without spaces.
-
Option b:
class MyGen<T>
- This is the correct syntax. The class name
MyGen
is directly followed by the type parameter<T>
, which is the standard way to define a generic class in Java.
- This is the correct syntax. The class name
-
Option c:
class <MyGen>(T)
- This is incorrect as it uses parentheses instead of angle brackets for the class type parameter.
-
Option d:
class <MyGen>
- This is also incorrect because it lacks a type parameter specification.
Verify and Summarize
Reviewing the options, the only valid syntax for defining a generic class in Java is option b, as it adheres to the correct Java conventions.
Final Answer
The correct syntax for defining a generic class in Java is b. class MyGen<T>.
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