Java.lang.Class.getComponentType() Method

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Description

The java.lang.Class.getComponentType() method returns the Class representing the component type of an array. If this class does not represent an array class this method returns null.

Declaration

Following is the declaration for java.lang.Class.getComponentType() method

public Class<?> getComponentType()

Parameters

  • NA

Return Value

This method returns the Class representing the component type of this class if this class is an array.

Exception

  • NA

Example

The following example shows the usage of java.lang.Class.getComponentType() method.

package com.tutorialspoint;

import java.lang.*;

public class ClassDemo {

   public static void main(String[] args) {

     String[] arr = new String[] {"admin"};

     // returns the Class representing the component type
     Class arrClass = arr.getClass();
     Class componentType = arrClass.getComponentType();
     if (componentType != null) {
        System.out.println("ComponentType = " + componentType.getName());
     }
     else {
        System.out.println("ComponentType is null");
     }
   }
} 

Let us compile and run the above program, this will produce the following result:

ComponentType = java.lang.String



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