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Item 59: Avoid unnecessary use of checked exceptions

1. Unlike return codes, the checked exceptions force the programmer to deal with exceptional conditions, greatly enhancing reliability. 2. An unchecked exception is more appropriate unless the ...

checked exception unchecked exception

leonzhx 评论(0) 有900人浏览 2014-04-22 09:57

Item 58: Use checked exceptions for recoverable conditions and runtime exception

1. The Java programming language provides three kinds of throwables: checked exceptions, runtime exceptions, and errors. 2. Use checked exceptions for conditions from which the caller can reaso ...

Exception Checked Exception Unchecked Exception RuntimeException Error

leonzhx 评论(0) 有1013人浏览 2014-04-21 23:32

Chapter 11. Exceptions, Assertions, Logging, and Debugging

1. An exception object is always an instance of a class derived from Throwable. 2. The Error hierarchy describes internal errors and resource exhaustion situations inside the Java runtime system. ...

try-with-resource checked Exception assertion java logging

leonzhx 评论(0) 有1559人浏览 2013-02-11 22:10

浅谈java异常[Exception] (转)

一．异常的定义在《java编程思想》中这样定义异常：阻止当前方法或作用域继续执行的问题。虽然java中有异常处理机制，但是要明确一点，决不应该用"正常"的态度来看待异常。绝对一点说异常就是某种意义上的错误，就是问题，它可能会导致程序失败。之所以java要提出异常处理机制，就是要告诉开发人员，你的程序出现了不正常的情况，请注意。记得当初学习java的时候，异常总是搞不太 ...

exception checked exception try catch

langgufu 评论(0) 有1678人浏览 2012-03-22 18:16

Java异常

异常是程序员永远不可避免的问题，在开发中也是非常常见的，下面我来总结一下Java的异常。 Throwable是所有Java程序中错误处理的父类，其有两个子类� ...

Java exception runtime exception checked exception

xdwangiflytek 评论(0) 有1448人浏览 2011-12-31 10:54

Chapter 12. Error Handling with Exceptions -- Thinking in Java

1) An exceptional condition is a problem that prevents the continuation of the current method or scope. It’s important to distinguish an exceptional condition from a normal problem, in which you have ...

Throwable try-catch-finally Stack Trace Checked Exception RuntimeException

leonzhx 评论(0) 有1362人浏览 2010-10-01 17:46

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