Get the attribute name attribute value attribute type of javaBean

package com.example;

import java.lang.reflect.Field;

/**
 * General document master table
 *
 * @author yi.zhe
 * @time 2014-9-10 6:44:17 PM
 */
public class BillMaster extends BaseTableBean {
    public String CompanyID = "123";
    Integer id;
    Long BillNo;

    public static void main(String[] args) throws Exception {
        BillMaster a = new BillMaster ();
        a.iniContentValues ​​();
    }

    public BillMaster () {

    }

    public void iniContentValues() {
        Field[] fields = getClass().getDeclaredFields();
        for (int i = 0; i < fields.length; i++) {
            Field f = fields[i];
            f.setAccessible(true);
            try {
                if (f.getType().equals(java.lang.Integer.class)) {
                    if (f.get(this) == null) {
                        System.out.println(f.getName() + ":" + 0);
                    } else {
                        System.out.println(f.getName() + ":" + (int) f.get(this));
                    }
                }
                if (f.getType().equals(java.lang.Long.class)) {
                    if (null == f.get(this)) {
                        System.out.println(f.getName() + ":" + 0);
                    } else {
                        System.out.println(f.getName() + ":" + (long) f.get(this));
                    }
                }
                if (f.getType().equals(java.lang.String.class)) {
                    System.out.println(f.getName() + ":" + (String) f.get(this));
                }
            } catch (IllegalAccessException e) {
                e.printStackTrace ();
            }
        }
    }

}