OCAJP 19 Java Associate Exam 1Z0-803 Exception Handling Tutorial

Purpose of this self-study booklet series OCAJP 19 Java Associate Exam 1Z0-803 Exception Handling Tutorial is to present Oracle Java SE 7 programmer I syllabus material using small length topics (units) suitable to be readable using e-readers such as Amazon.com Kindle Fire.

Java OCA 1Z0-803 exam requires proficiency of the following eight major topics:

1.Java Basics
2.Java Data Types
3.Java Operators and Decision Statements
4.Java Arrays
5.Java Iteration (i.e. Loop) Statements
6.Java Methods and Encapsulation
7.Java Inheritance
8.Java Exception Handling

This booklet presents the last topic i.e. Java Exception Handling .

Following are the six sub topics of the OCA JP 1Z0-803 Exception Handling syllabus:
a.Understanding the differences among the checked exceptions, runtime exceptions and errors
b.Creating a try-catch block
c.Understanding how exceptions alter regular program flow
d.Understanding the purpose of Java exceptions
e.Invoking methods that throw exception
f.Recognizing and using common exception classes and categories

During this booklet, we will discuss the first five of the above six subtopics.

During the next booklet, we will discuss final i.e. the sixth subtopic. However, during this booklet, we will discuss many example programs that utilize a number of frequently used unchecked and checked exception classes.

Java SE 7 New Features Relevant to Exception Handling

Following are some of the enhancements made to the exception handling facilities in the Java SE 7 language:
a)Handling of more than one type of exception by catching multiple exception types
b)Re-throwing exceptions with improved type checking
c)The try with resources statement

In this booklet, we will also present example Java programs to illustrate above listed three new exception handling features of the Java SE 7 language.

Major Section Headings of this Booklet

This booklet has major sections with the following headings:
Overview (i.e. Summary) of Exception Handling Concepts
Concise Explanation of Syllabus Topics with Example Programs
Syntax and Semantics Information of Exception Handling Constructs
Detailed Explanation of Syllabus Topics
Practice Questions (Praqs): Not Multiple Choice
Detailed Solutions to Practice Questions (Praqs)

There are about 35 practical application oriented example Java programs that illustrate the usage of exception handling constructs.

This booklet also has about 15 practice problems (non multiple choice) with detailed solutions.