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 Tools and Libs > Commons Bean Utils > Wrapper to Primitive

Wrapper to Primitive 

Apache Commons BeanUtils is a java library useful for accessing bean properties and methods. It provides introspection capabilities to view and manipulate the properties and operations provided by the given class. This requires the libraries commons-beanutils-1.8.3.jar, commons-beanutils-bean-collections-1.8.3.jar, commons-beanutils-core-1.8.3.jar, commons-collections-3.2.1.jar, commons-logging.jar to be in classpath. The following example shows using MethodUtils.getPrimitiveType() API. It returns the primitive type for the given wrapper object class.

File Name  :  
com/bethecoder/tutorials/commons_beanutils/Wrapper2PrimitiveTest.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.commons_beanutils;

import org.apache.commons.beanutils.MethodUtils;

public class Wrapper2PrimitiveTest {

  /**
   @param args
   */
  public static void main(String[] args) {
    
    Class<?> primitiveType = MethodUtils.getPrimitiveType(Integer.class);
    System.out.println(primitiveType);
    
    primitiveType = MethodUtils.getPrimitiveType(Character.class);
    System.out.println(primitiveType);
    
    primitiveType = MethodUtils.getPrimitiveType(Short.class);
    System.out.println(primitiveType);
    
    primitiveType = MethodUtils.getPrimitiveType(Double.class);
    System.out.println(primitiveType);
  }

}
   

It gives the following output,
int
char
short
double


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