public final class ToStringHelper extends Object
 public class CustomClass
 {
   private String fieldOne = "HELLO";
   private Object fieldTwo = null;
   private boolean fieldThree = false;
   private List fieldFour = new ArrayList(Arrays.asList("one","two","three"));
   public String toString()
   {
     return
       new ToStringHelper(this).
       append("fieldOne", fieldOne).
       append("fieldTwo", fieldTwo).
       append("fieldThree", fieldThree).
       append("fieldFour", fieldFour).
       toString();
   }
 }
   
 Return value of toString() in above example will be
  "CustomClass@19621457 {fieldOne: HELLO, fieldThree: false, fieldFour: [one, two, three]}
"| Constructor and Description | 
|---|
| ToStringHelper() | 
| ToStringHelper(Object object)Constructor that takes in the object whose information is to be added to the string | 
public ToStringHelper()
public ToStringHelper(Object object)
object - The object whose classname and hashcode is to be included in the stringpublic ToStringHelper append(String fieldName, Object value)
fieldName - The name of the field to appendvalue - The value object of the field to appendCopyright © 2001-2017 The Apache Software Foundation. All Rights Reserved.