Class getComponentType() method in Java with Examples (original) (raw)

Last Updated : 27 Jan, 2022

The getComponentType() method of java.lang.Class class is used to get the Class representing the component type of an array, if this class represents one. Else it returns null.
Syntax:

public Class getComponentType()

Parameter: This method does not accept any parameter.
Return Value: This method returns Class representing the component type of an array if this class represents one. Else it returns null.
Below programs demonstrate the getComponentType() method.
Example 1:

Java

import java.util.*;

public class Test {

`` public static void main(String[] args)

`` throws ClassNotFoundException

`` {

`` Class myClass = Class.forName("Test");

`` System.out.println("Class represented by myClass: "

`` + myClass.toString());

`` System.out.println("ComponentType of myClass: "

`` + myClass.getComponentType());

`` }

}

Output:

Class represented by myClass: class Test ComponentType of myClass: null

Example 2:

Java

import java.util.*;

public class Test {

`` public static void main(String[] args)

`` throws ClassNotFoundException

`` {

`` int [] Arr = new int [ 5 ];

`` Class arrClass = Arr.getClass();

`` System.out.println("ComponentType of myClass: "

`` + arrClass.getComponentType());

`` }

}

Output:

ComponentType of myClass: int

Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#getComponentType–

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