Is Checked Exception : Exception « Development « Java Tutorial

Home
Java Tutorial
1.Language
2.Data Type
3.Operators
4.Statement Control
5.Class Definition
6.Development
7.Reflection
8.Regular Expressions
9.Collections
10.Thread
11.File
12.Generics
13.I18N
14.Swing
15.Swing Event
16.2D Graphics
17.SWT
18.SWT 2D Graphics
19.Network
20.Database
21.Hibernate
22.JPA
23.JSP
24.JSTL
25.Servlet
26.Web Services SOA
27.EJB3
28.Spring
29.PDF
30.Email
31.J2ME
32.J2EE Application
33.XML
34.Design Pattern
35.Log
36.Security
37.Apache Common
38.Ant
39.JUnit
Java Tutorial » Development » Exception 




import java.lang.reflect.Array;
import java.util.Arrays;

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//Revised from springframework

/**
 * Miscellaneous object utility methods. Mainly for internal use within the
 * framework; consider Jakarta's Commons Lang for a more comprehensive suite
 * of object utilities.
 *
 @author Juergen Hoeller
 @author Keith Donald
 @author Rod Johnson
 @author Rob Harrop
 @author Alex Ruiz
 @since 19.03.2004
 @see org.apache.commons.lang.ObjectUtils
 */
abstract class ObjectUtils {

  private static final int INITIAL_HASH = 7;
  private static final int MULTIPLIER = 31;

  private static final String EMPTY_STRING = "";
  private static final String NULL_STRING = "null";
  private static final String ARRAY_START = "{";
  private static final String ARRAY_END = "}";
  private static final String EMPTY_ARRAY = ARRAY_START + ARRAY_END;
  private static final String ARRAY_ELEMENT_SEPARATOR = ", ";


  /**
   * Return whether the given throwable is a checked exception:
   * that is, neither a RuntimeException nor an Error.
   @param ex the throwable to check
   @return whether the throwable is a checked exception
   @see java.lang.Exception
   @see java.lang.RuntimeException
   @see java.lang.Error
   */
  public static boolean isCheckedException(Throwable ex) {
    return !(ex instanceof RuntimeException || ex instanceof Error);
  }

}














6.23.Exception
6.23.1.Error Handling
6.23.2.Types of Exceptions
6.23.3.Java's Unchecked RuntimeException Subclasses
6.23.4.Java's Checked Exceptions Defined in java.lang
6.23.5.Throwing an Exception from a Method
6.23.6.Write a catch block that handles java.lang.Exception
6.23.7.Handling Exceptions
6.23.8.Multiple catch Blocks
6.23.9.The finally Block
6.23.10.Exception Objects: stack trace
6.23.11.Defining Your Own Exceptions, Throwing Your Own Exception
6.23.12.Demonstrate exception chaining.
6.23.13.Getting the Stack Trace of an Exception
6.23.14.Put printStackTrace() into a String: redirect the StackTrace to a String with a StringWriter/PrintWriter
6.23.15.Check whether given exception is compatible with the exceptions declared in a throws clause
6.23.16.Convert an exception to a String with full stack trace
6.23.17.Get Deepest Throwable
6.23.18.Get the stack trace of the supplied exception.
6.23.19.Is Checked Exception
6.23.20.Locates a particular type of exception
6.23.21.Make a string representation of the exception
6.23.22.Print all of the thread's information and stack traces
6.23.23.Return stack trace from the passed exception as a string
6.23.24.Returns the root cause of an exception
6.23.25.Create a new Exception, setting the cause if possible.
6.23.26.Returns the output of printStackTrace as a String.
6.23.27.This program creates a custom exception type.
6.23.28.Utility methods for dealing with stack traces
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.