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 Tools and Libs > Commons Lang3 > Classes > Wrapper to Primitive Class

Wrapper to Primitive Class 

Apache Commons Lang 3.0 is a java library with lot of utilities and reusable components. This requires the library commons-lang3-3.0.1.jar to be in classpath. The following example shows using ClassUtils.wrapperToPrimitive() API. It returns the primitive class object associated with the given wrapper class.

File Name  :  
Author  :  Sudhakar KV
Email  :  [email protected]
package com.bethecoder.tutorials.commons_lang.tests.classes;

import java.util.Arrays;

import org.apache.commons.lang3.ClassUtils;

public class WrapperToPrimitiveClsTest {

   @param args
  public static void main(String[] args) {

    Class<?> intClazz = ClassUtils.wrapperToPrimitive(Integer.class);

    Class<?> charClazz = ClassUtils.wrapperToPrimitive(Character.class);
    Class<?> [] primitiveClasses = 
      ClassUtils.wrappersToPrimitives(Short.class, Long.class);



It gives the following output,
[short, long]


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