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Exception Handling

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Term
Definition
Exeption   show
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show The name for the object-oriented techniques that manage such errors  
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Runtime Exception   show
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Java's Two Basic Classes of Errors   show
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Error Class   show
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show Comprises less serious errors representing unusual conditions that arise while a program is running and from which the program can recover. For example, using an invalid array subscript or performing certain illegal arithmetic operations  
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show When a program ends prematurely with an error  
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Stack Trace History List(Stack Trace)   show
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Mission Critical   show
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show Are designed so that they continue to operate, possibly at a reduced level, when some part of the system fails  
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Robustness   show
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show Programs that handle exceptions appropriately are said to be more fault tolerant and robust  
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1. Try Block   show
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show A try block consists of the following elements... 1. The keyword try.. 2. An opening curly brace.. 3. Executable statements, including some that might cause exceptions.. 4. A closing curly brace  
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Catch Block   show
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Throw Statement   show
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Format of try...catch Pair   show
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show Used when you have actions you must perform at the end of a try...catch sequence. The code within a finally block executes regardless of whether the preceding try block identifies an exception  
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Exception Specification   show
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Java's Two Types of Exceptions   show
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show Inherit from Error or RuntimeException class. Can be handled but you are not required to do so. For example, dividing by zero is type of RuntimeExceptio, and you are not required to handle this exception - you can simple let program terminate  
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Checked Exceptions   show
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1. Catch or Specify Requirement   show
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show 1. Catch it within the method.. 2. Specify the exception in you method header's throws clause... Code that uses a checked exception will not compile if the catch or specify rule is not followed  
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show If you write a method with a throws clause in the header, then any method that uses your method must do one of the following... 1. Catch and handle the possible exception.. 2. Declare the exception in its throws clause.  
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2. Writing a Method With a throws Clause in Header   show
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show public class PriceList.. {.. private static final double[] price = {15.99, 27.88, 34.56};.. public static void displayPrice(int item) throws IndexOutOfBoundsException.. {.. System.out.println("The price is $" + price[item]);.. }.. }  
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Call Stack   show
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Assertion   show
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assert Statement   show
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assert Statement Syntax   show
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