finally block can not complete normally 是一个警告信息,通常出现在编程环境中,提示开发者 finally 块可能无法正常完成其预期的任务。为了帮助你更好地理解这个问题,我将从以下几个方面进行解答: 1. finally 块的作用和执行时机 作用:finally 块主要用于执行清理操作,比如关闭文件、释放资源等,无论 try 块中的代码...
1、不管try块、catch块中是否有return语句,finally块都会执行。 2、finally块中的return语句会覆盖前面的return语句(try块、catch块中的return语句),所以如果finally块中有return语句,Eclipse编译器会报警告“finally block does not complete normally”。 3、如果finally块中包含了return语句,即使前面的catch块重新抛出了...
3.当try,catch中有return,finally中有return时,try,catch中的return被finally中的return覆盖,最后真正返回的是finally中经过处理的返回值。 我们再看一下警告信息“finally block does not complete normally”,它是因为try,catch中有return,而且finally中也有return,finally中的return会覆盖掉try,catch中的return,可能导...
“finally block does not complete normally”的警告解决,但是,java里面不是可以保证finally一定会执行的么,为什么不可以在finally块做return???细细看道来:debug一下这个函数,就会惊讶的发现,里面抛出的异常会被finally吃掉。这也就是为什么会被警告的原因。Java
简介:当finall块中包含return语句时,Eclipse会给出警告“finally block does not complete normally”,原因分析如下: 1、不管try块、catch块中是否有return语句,finally块都会执行。 当finall块中包含return语句时,Eclipse会给出警告“finally block does not complete normally”,原因分析如下: ...
eclipse黄色警告(finally block does not complete normally) ,不建议在finally中使用return语句 public class Test { public static void main(String[] args) { System.out.println(m1(null)); } public static String m1(String name) { try { name.length();...
今天用try-finally的时候,整出一个“finally block does not complete normally”的警告。想了半天也没明白什么一个情况。 可以看下面的代码, return 写在finally块就会得到警告!解决方案: return放到finally外面。 但是,java里面不是可以保证finally一定会执行的么,为什么不可以在finally块做return???
type of the exception object is assignable to the type declared in the catch. When an assignable catch clause is found, its block is executed with its identifier set to reference the exception object. No other catch clause will be executed. Any number of catch clauses, including zero, can ...
Likewise, if the thread executing the try or catch code is interrupted or killed, the finally block may not execute even though the application as a whole continues. 请仔细阅读并认真体会一下以上两段英文,当你真正的理解了这两段英文的确切含义,你就可以非常自信的来回答”finally 语句块是否一定...
aThe police close off the whole block for a week, preventing your business from operating from that location. Your insurer will cover your lost income and extra expense caused by this action. 警察关闭整体块一个星期,防止您的事务经营从那个地点。 您的承保人将承担这次行动和额外费用造成的您失去的...