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Exceptions and Exception Handling PowerPoint PPT Presentation

Exceptions and Exception Handling - Throwable Exceptions can be caught and handled ... arises in the try block, control switches to the corresponding catch block ... The exception is caught ...

Throwable Exceptions can be caught and handled ... arises in the try block, control switches to the corresponding catch block ... The exception is caught ...

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Exceptions and Exception Handling - Throwable errors that can be caught and handled are Exceptions and are divided into ... The catch block will execute only if the ... The exception is caught ...

Throwable errors that can be caught and handled are Exceptions and are divided into ... The catch block will execute only if the ... The exception is caught ...

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Exceptions - Laisser l'exception sans traiter ( chec du programme) Traiter l'exception (le programme ... Appel d'une m thode dans de bonnes conditions ? Ex cution de la ...

Laisser l'exception sans traiter ( chec du programme) Traiter l'exception (le programme ... Appel d'une m thode dans de bonnes conditions ? Ex cution de la ...

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EXCEPTIONS - This also includes 1 or more 'catch' clauses. Each catch clause is a handler for a different type exception. ... An unchecked exception requirres no throws clause. ...

This also includes 1 or more 'catch' clauses. Each catch clause is a handler for a different type exception. ... An unchecked exception requirres no throws clause. ...

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Exceptions - throws IOException. Read a line of text. ... IOException - If an I/O error occurs. You are trying to use a method that throws an exception. ...

throws IOException. Read a line of text. ... IOException - If an I/O error occurs. You are trying to use a method that throws an exception. ...

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Exceptions - ... exceptionObject = new Exception( 'Oops!' ); Exercises. 9. Is the following legal? Exception exceptionObject = new Exception( 'Oops!' ); throw exceptionObject; ...

... exceptionObject = new Exception( 'Oops!' ); Exercises. 9. Is the following legal? Exception exceptionObject = new Exception( 'Oops!' ); throw exceptionObject; ...

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Exceptions - You can 'pass the buck' and let some other part of the program deal with it ... You can 'pass the buck' by stating that the method in which the exception occurs ' ...

You can 'pass the buck' and let some other part of the program deal with it ... You can 'pass the buck' by stating that the method in which the exception occurs ' ...

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Exceptions - Exceptions should be handled, or caught. An exception is either checked or unchecked. Checked exceptions must be caught or declared as thrown. ...

Exceptions should be handled, or caught. An exception is either checked or unchecked. Checked exceptions must be caught or declared as thrown. ...

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Exceptions - Uncaught Exceptions. int a = 5; int b = 0; int c = a/b; ... at ExceptionsExamples.main(ExceptionsExamples.java:12) Uncaught Exceptions. Call stack trace ...

Uncaught Exceptions. int a = 5; int b = 0; int c = a/b; ... at ExceptionsExamples.main(ExceptionsExamples.java:12) Uncaught Exceptions. Call stack trace ...

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Exceptions - distinguish between checked and unchecked exception classes in Java; ... Checked and unchecked exceptions. Java Compiler. RuntimeException. NumberFormatException ...

distinguish between checked and unchecked exception classes in Java; ... Checked and unchecked exceptions. Java Compiler. RuntimeException. NumberFormatException ...

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Exception - Exceptions are error conditions from which a program can recover from ... catch (NumberTooBigException ntb) { System.out.println('Number greater than 200' ...

Exceptions are error conditions from which a program can recover from ... catch (NumberTooBigException ntb) { System.out.println('Number greater than 200' ...

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Exceptions - Know how to design custom Exception classes and throw exceptions of various types ... throw new MyException('Niagra Falls...'); Catching I/O Exceptions ...

Know how to design custom Exception classes and throw exceptions of various types ... throw new MyException('Niagra Falls...'); Catching I/O Exceptions ...

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Exceptions - Example: try { System.out.println(5/x); } catch(Exception e) ... f.println(...); // use like System.out. Make sure to close the file before exiting the program ...

Example: try { System.out.println(5/x); } catch(Exception e) ... f.println(...); // use like System.out. Make sure to close the file before exiting the program ...

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Exceptions - Exceptions Another form of control hazard Could be caused by Arithmetic overflow (how do we know?) Divide by 0 Undefined opcode in instruction Illegal memory address

Exceptions Another form of control hazard Could be caused by Arithmetic overflow (how do we know?) Divide by 0 Undefined opcode in instruction Illegal memory address

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Exceptions - Sin embargo, Java nos provee una forma de atrapar esa exception y hacer algo en ... Errores en tiempo de corrida de los cuales nos podemos recuperar. FATAL ERRORS! ...

Sin embargo, Java nos provee una forma de atrapar esa exception y hacer algo en ... Errores en tiempo de corrida de los cuales nos podemos recuperar. FATAL ERRORS! ...

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Exceptions - Exceptions and Errors are objects representing ... is either checked or unchecked ... An unchecked exception does not require explicit handling, though ...

Exceptions and Errors are objects representing ... is either checked or unchecked ... An unchecked exception does not require explicit handling, though ...

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Exceptions - What to do when you catch an exception? How and when to generate exceptions. ... IOException ... IOException. Exception Type Hierarchy (partial) EOFException ...

What to do when you catch an exception? How and when to generate exceptions. ... IOException ... IOException. Exception Type Hierarchy (partial) EOFException ...

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Exceptions - Good-quality software should be able to cope with ... The preceding code has further drawbacks ... Unchecked exceptions are ones you must be prepared for ...

Good-quality software should be able to cope with ... The preceding code has further drawbacks ... Unchecked exceptions are ones you must be prepared for ...

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Exceptions - IOException. AWTException. RuntimeException. ArithmeticException ... public void myMethod() throws IOException. If the method throws multiple exceptions ...

IOException. AWTException. RuntimeException. ArithmeticException ... public void myMethod() throws IOException. If the method throws multiple exceptions ...

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Exceptions - The is especially true when others use the classes you design. ... Unchecked. Also called runtime exceptions. Only detectable at runtime. Extending Exceptions ...

The is especially true when others use the classes you design. ... Unchecked. Also called runtime exceptions. Only detectable at runtime. Extending Exceptions ...

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Exceptions - Unchecked Exceptions. Unchecked exceptions are any class of ... How do we know if it is checked or unchecked? Compiler will tell you. Check the java API! ...

Unchecked Exceptions. Unchecked exceptions are any class of ... How do we know if it is checked or unchecked? Compiler will tell you. Check the java API! ...

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EXCEPTIONS - EXCEPTIONS Errors Two types of errors can be found in a program: compilation errors and runtime errors. There is a special section in a PL/SQL block that handles the ...

EXCEPTIONS Errors Two types of errors can be found in a program: compilation errors and runtime errors. There is a special section in a PL/SQL block that handles the ...

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Exceptions - unchecked exceptions they can occur at many points in the program and recovery ... Unchecked exceptions are of type RuntimeException and its subclasses and Error ...

unchecked exceptions they can occur at many points in the program and recovery ... Unchecked exceptions are of type RuntimeException and its subclasses and Error ...

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Exceptions - Memorize what all the return codes meant. Had to wrap each function call ... Uncaught (no appropriate exception handler) Debug mode. Ignore, continue execution ...

Memorize what all the return codes meant. Had to wrap each function call ... Uncaught (no appropriate exception handler) Debug mode. Ignore, continue execution ...

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EXCEPTIONS - The list shown below explains some commonly used predefined exceptions and ... issue a SELECT INTO statement against the STUDENT table for a specific zip code. ...

The list shown below explains some commonly used predefined exceptions and ... issue a SELECT INTO statement against the STUDENT table for a specific zip code. ...

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Exceptions - ... which occurs in block is forwarded to exception handler designed by catch clause. ... May use (...) as catch clause, which matches any exception. Throw statement ...

... which occurs in block is forwarded to exception handler designed by catch clause. ... May use (...) as catch clause, which matches any exception. Throw statement ...

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Exceptions - General mechanism for handling abnormal conditions. Predefined exceptions: constraint ... else may call V : race condition. no one calls V: other callers ...

General mechanism for handling abnormal conditions. Predefined exceptions: constraint ... else may call V : race condition. no one calls V: other callers ...

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Exceptions - ... caught (instead, the bug that caused it should be fixed) Exception: A problem that must be caught ... If there are no problems, the catch phrases are skipped ...

... caught (instead, the bug that caused it should be fixed) Exception: A problem that must be caught ... If there are no problems, the catch phrases are skipped ...

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Exceptions - Error: Usually should not be caught (instead, the bug that caused it should be fixed) Exception: A problem that must be caught ...

Error: Usually should not be caught (instead, the bug that caused it should be fixed) Exception: A problem that must be caught ...

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Exceptions - radix (as determined by whether Character.digit(char, int) returns ... Any character of the string is not a digit of the specified radix, except that the first ...

radix (as determined by whether Character.digit(char, int) returns ... Any character of the string is not a digit of the specified radix, except that the first ...

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Exception Handling - Exception Handling

Exception Handling

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Exception - ... exception handler, no matter what method was executing when the exception was thrown. ... not handled by a more tightly nested block or method, statement1 ...

... exception handler, no matter what method was executing when the exception was thrown. ... not handled by a more tightly nested block or method, statement1 ...

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Exceptions - ... exception keywords: throws, throw, try, catch, and finally. Ex. try. int number = Integer.ParseInt ... try-block terminates when an exception is thrown. ...

... exception keywords: throws, throw, try, catch, and finally. Ex. try. int number = Integer.ParseInt ... try-block terminates when an exception is thrown. ...

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Exception Handling - Exception Handling Chapter 8

Exception Handling Chapter 8

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Exception - 1. 13. Exception. Handling. 2. And live the purer with the other half. William Shakespeare. If they're running and they don't look where they're going I have to ...

1. 13. Exception. Handling. 2. And live the purer with the other half. William Shakespeare. If they're running and they don't look where they're going I have to ...

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Exception handling - What is an exception? An abnormal event Not a very precise definition. Informally: something that you don t want to happen

What is an exception? An abnormal event Not a very precise definition. Informally: something that you don t want to happen

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Exception Handling - Introduction Exceptions are errors or some peculiar problems other than logic or syntax errors. Exceptions are runtime anomalies or unusual conditions that a program ...

Introduction Exceptions are errors or some peculiar problems other than logic or syntax errors. Exceptions are runtime anomalies or unusual conditions that a program ...

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Exception Handling - Exceptions That Need Not Be Caught, cont. ... Any exceptions thrown in the derived class must be caught or thrown by the base class. ...

Exceptions That Need Not Be Caught, cont. ... Any exceptions thrown in the derived class must be caught or thrown by the base class. ...

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Java Exception PowerPoint PPT Presentation

Java Exception - Java Exception Very slightly modified from K.P. Chow University of Hong Kong (some s from S.M. Yiu)

Java Exception Very slightly modified from K.P. Chow University of Hong Kong (some s from S.M. Yiu)

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???? (Exception Handling) - (Exception Handling) / /

(Exception Handling) / /

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EXCEPTION HANDLING - exception handling *

exception handling *

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Exception Handling - Exception Handling

Exception Handling

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Exception Handling - Exception Handling Contents Many classes in the Java standard library throw exceptions throws clause (or try-catch block) is needed in the function header of ...

Exception Handling Contents Many classes in the Java standard library throw exceptions throws clause (or try-catch block) is needed in the function header of ...

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Exception Handling - Exception Handling Praktikum 12 Pemrograman Berbasis Obyek Oleh Tita Karlita Latihan 1. Prog.java ArrayIndexOutOfBounds Latihan 2. Prog.java Modifikasi latihan 1 ...

Exception Handling Praktikum 12 Pemrograman Berbasis Obyek Oleh Tita Karlita Latihan 1. Prog.java ArrayIndexOutOfBounds Latihan 2. Prog.java Modifikasi latihan 1 ...

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Exceptions, Singleton, PowerPoint PPT Presentation

Exceptions, Singleton, - ... void setPrinter( ILogPrinter lp ); public static ILogPrinter ... Arnold & Gosling Java Programming language Chapters on Exception and Garbage collection ...

... void setPrinter( ILogPrinter lp ); public static ILogPrinter ... Arnold & Gosling Java Programming language Chapters on Exception and Garbage collection ...

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Java Exception - Exception in thread 'main' java.lang.ArrayIndexOutOfBoundsException. at ... test2.java:5: unreported exception java.io.FileNotFoundException; must be caught ...

Exception in thread 'main' java.lang.ArrayIndexOutOfBoundsException. at ... test2.java:5: unreported exception java.io.FileNotFoundException; must be caught ...

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Java Exceptions PowerPoint PPT Presentation

Java Exceptions - Java Exceptions Intro to Exceptions What are exceptions? Events that occur during the execution of a program that interrupt the normal flow of control.

Java Exceptions Intro to Exceptions What are exceptions? Events that occur during the execution of a program that interrupt the normal flow of control.

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EXCEPTION HANDLING - EXCEPTION HANDLING COURSE : MSc Computers and Network engineering. Name : Kirthidhar Gandham Module : Object Oriented Methods (16-7213) Module Leader : Prof. Alan goude

EXCEPTION HANDLING COURSE : MSc Computers and Network engineering. Name : Kirthidhar Gandham Module : Object Oriented Methods (16-7213) Module Leader : Prof. Alan goude

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Exception Handling - Blanca Polo. 2. Exceptions ... Blanca Polo. 6. Dealing With Exceptions. A program can deal with an exception in one of three ways: ...

Blanca Polo. 2. Exceptions ... Blanca Polo. 6. Dealing With Exceptions. A program can deal with an exception in one of three ways: ...

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Exception Handling - To be able to design your own exception classes. To understand the difference between checked and ... Unconcerned with exceptions. Just passes them to caller ...

To be able to design your own exception classes. To understand the difference between checked and ... Unconcerned with exceptions. Just passes them to caller ...

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Exception Handling - throws IOException, ClassNotFoundException. Checked and Unchecked ... read(BufferedReader in) throws IOException. Purpose: ... (IOException exception) ...

throws IOException, ClassNotFoundException. Checked and Unchecked ... read(BufferedReader in) throws IOException. Purpose: ... (IOException exception) ...

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Exception Handling - 1. Exception Handling. Lesson #11. Note: ... Unwinding the Exception Stack ... Unwinding. class Student{ VString lastName; Transcript records; public: Student ...

1. Exception Handling. Lesson #11. Note: ... Unwinding the Exception Stack ... Unwinding. class Student{ VString lastName; Transcript records; public: Student ...

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Exception Handling - ... is thrown in the try block, Java exits the try block and transfers control ... Advantages to Java's Exception Handling System ...

... is thrown in the try block, Java exits the try block and transfers control ... Advantages to Java's Exception Handling System ...

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Exception Handling - To process only exceptional situations where a method is ... the compiler allows RuntimeExceptions to go uncaught and unspecified. Exception and Inheritance ...

To process only exceptional situations where a method is ... the compiler allows RuntimeExceptions to go uncaught and unspecified. Exception and Inheritance ...

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Exception Handling - Unchecked exceptions. 19. Java ... Unchecked Exceptions. Inherit from class RuntimeException or class Error ... If an unchecked exception occurs and not caught ...

Unchecked exceptions. 19. Java ... Unchecked Exceptions. Inherit from class RuntimeException or class Error ... If an unchecked exception occurs and not caught ...

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Exception Handling - try blocks. Throwing and catching exceptions. Constructors, finalizers and ... if no exception is generated, the finally block is done after the try block ...

try blocks. Throwing and catching exceptions. Constructors, finalizers and ... if no exception is generated, the finally block is done after the try block ...

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