java catch multiple exceptions at once

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

This article focuses on some concepts of exception mechanisms in Java. The purpose of writing this article is to help me remember these things quickly after a long time. 1. Exception mechanism 1.1 The exception mechanism refers to how the program

This article focuses on some concepts of exception mechanisms in Java. The purpose of this article is to make it easy for me to remember these things quickly after a long time. 1. Abnormal mechanisms The 1.1 exception mechanism refers to how the

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,

first, Exception IntroductionWhat is an exception?An exception is something that is different from the norm and is not the same as the normal Situation. In java, the case of blocking the current method or scope is called an Exception.What is the

Throwable is the parent of error handling in all Java programs, and there are two types of assets: Error and Exception.Error: Indicates an unexpected fault detected by the JVM, because this is a serious error at the JVM level, which prevents the JVM

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

1. Exception mechanism1.1 exception mechanism refers to how the program handles when a program error occurs. Specifically, the exception mechanism provides a secure channel for program exits. When an error occurs, the process of executing the

The Java exception handling mechanism mainly relies on five keywords: Try, catch, finally, throw, and throws. The try keyword is followed by a code block enclosed in curly brackets, or try block for short. Similarly: The following is also called the

Handling ErrorsDue to an error causing some operations to be incomplete, the program is due to: Returns to a security state and allows the user to execute some other command Allows the user to save the results of all operations and