java get object from string name of variable

/**
 * @author lautturi.com 
 * Java example: Get instance object by String at runtime in java
 */

import java.util.*;
import java.lang.reflect.Method;

class Person{
	public String pname = "hello;java world!";
	int age;
	
	public Person() {
		
	}
	public Person(String string, int i) {
		pname = string;
		age = i;
	}

	public String getName() {
		return pname;
	}
	public void mySplit() {
        try {
            Object instance = getClass().getDeclaredField("pname").get(this);
            Method m = instance.getClass().getMethod("split", String.class);

            Object returnValue = m.invoke(instance, ";");
            if(returnValue instanceof String[])
            {
                for(String s : (String[])returnValue )
                {
                    System.out.println(s);
                }
            }

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

public class Lautturi {

	public static void main(String[] args) {
		
		new Person().mySplit();

	}
}

output:

hello
java world!