Java Class getComponentType() Method

The getComponentType() method of java Class returns the class representing the component type of an array. Otherwise this method return null.

Syntax

Parameter

Returns

Class representing the component type.

Throws

This does not throw an exception.

Example 1

//import statements 
import java.lang.*;

public class ClassgetComponentTypeExample1 {

   public static void main(String[] args) {

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

      Class aryClass = arrstr.getClass();
      Class compoType = aryClass.getComponentType();
      if (compoType != null) {
         System.out.println("The componentType = " + compoType.getName()); // get name of comptype class
      } else {
         System.out.println("The ComponentType is null");
      }
   }
} 

Test it Now

Output:

The componentType = java.lang.String

Example 2

public class ClassgetComponentTypeExample2 {

    public static void main(String... args) {
        int[] intarray = {};
        System.out.println(intarray.getClass().getComponentType());  // print component type. 

        System.out.println(String[].class.getComponentType());  // print component type. 

        Void[] voidarray = {};
        System.out.println(voidarray.getClass().getComponentType());// print component type. 
        System.out.println(String.class.getComponentType());// print component type. 
    }
}

Test it Now

Output:

int
class java.lang.String
class java.lang.Void
null

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