java 7 multiple catch

In Java 7, the catch code block was upgraded to handle multiple exceptions in a single catch block. If you are capturing multiple exceptions and they contain similar code, using this feature will reduce code duplication. Here is an example to

In some cases, multiple exceptions may be caused by a single code snippet. In dealing with this situation, you can define two or more catch clauses, each capturing one type of exception. When an exception is thrown, each catch clause is checked

In our normal development work, often need to read and write stream, in this process the most egg pain is a variety of try and catch, and then finally you can not forget to close the flow, so as to avoid the resource leakage, this set down feel

"0" README0.1) This article describes + source code is transferred from core Java Volume 1, to understand Java exception-catch exception + throw exception and exception chain of knowledge;"1" catches exception related1.1) If an exception occurs

The unusual English word is exception, the literal translation is "The accident, the exception" The meaning, is also abnormal condition. In fact, exceptions are essentially procedural errors, including program logic errors and system errors. A

1. What is a try block?A try block is a block of code that can produce an exception, and a try block may follow a catch block or a finally block, or both.The semantics of the try block:try{ //statements that could cause an exception}2. What is a

The Try-catch statement can also include the third part, which is the finally clause. It represents what should be done regardless of whether an exception occurs. The general syntactic form of the try-catch-finally statement is:Try { // may

Original address:https://my.oschina.net/bieber/blog/703251First, single-layer Try/catch Public int Test (int A,int b) { try{ return A +b ; } Catch (Exception e) { thrownew customexception (); }}See how

1 /*2 Exception: The program has an unhealthy situation. 3 4 Example: Today the weather is very good, the monitor goes out to travel. Ride a bike, go to the mountains and breathe the fresh air. 5 Error:6 Question 1: The mountain road collapsed,

1. Preface Try...catch...finally I'm afraid it's a familiar statement, and it's very simple to use, logically it seems to be easy to understand. However, I personally experience the "lesson" tells me that this thing is not as simple as the