horstmann.ch07_reflect2

Class FieldTester

java.lang.Object

horstmann.ch07_reflect2.FieldTester

public class FieldTester
extends java.lang.Object

This program shows how to use reflection to print the names and values of all nonstatic fields of an object.

Constructor Summary

Constructors

Constructor and Description
FieldTester()

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args)
static java.lang.String	spyFields(java.lang.Object obj) Spies on the field names and values of an object.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FieldTester

public FieldTester()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.IllegalAccessException

Throws:

java.lang.IllegalAccessException

spyFields

public static java.lang.String spyFields(java.lang.Object obj)
                                  throws java.lang.IllegalAccessException

Spies on the field names and values of an object.

Parameters:

obj - the object whose fields to format

Returns:

a string containing the names and values of all fields of obj

Throws:

java.lang.IllegalAccessException