java

问题 I have an external library in the project: The project uses methods from this library For me, the classes in this library are read-only I need to change the method logic from an external library a little bit What and how should I do? Maybe I should create new class in project with the same logic? (+ my changes) Maybe other solutions? 回答1: If you use Kotlin you could use Extension Function to extend class functionalities with no need to extend it. You use Java you could extend the classes and

问题 I want to parse the following xml structure: <?xml version="1.0" encoding="utf-8"?> <documents> <document> <element name="title"> <value><![CDATA[Personnel changes: Müller]]></value> </element> </document> </documents> For parsing this element name="????? structure I use XPath in the following way: XPath xPath = XPathFactory.newInstance().newXPath(); String currentString = (String) xPath.evaluate("/documents/document/element[@name='title']/value",pCurrentXMLAsDOM, XPathConstants.STRING); The

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 9 months ago . Improve this question I'm looking forward to deploying my Spring Application on a production environment and i'd like to include some basic and solid security measures. First things first, i extended WebSecurityConfigurerAdapter into my SecurityConfiguration.java

问题 I am having a little bit of a problem here. I am trying to figure out how to catch the IllegalArgumentException. For my program, if the user enters a negative integer, the program should catch the IllegalArgumentException and ask the user if he/she wants to try again. But when the exception is thrown, it doesn't give that option. It just terminates. I tried to use the try and catch method but it doesn't work for me. How do I catch this particular exception to continue to run instead of

问题 I am having a little bit of a problem here. I am trying to figure out how to catch the IllegalArgumentException. For my program, if the user enters a negative integer, the program should catch the IllegalArgumentException and ask the user if he/she wants to try again. But when the exception is thrown, it doesn't give that option. It just terminates. I tried to use the try and catch method but it doesn't work for me. How do I catch this particular exception to continue to run instead of

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 9 months ago . Improve this question I'm looking forward to deploying my Spring Application on a production environment and i'd like to include some basic and solid security measures. First things first, i extended WebSecurityConfigurerAdapter into my SecurityConfiguration.java

问题 I have an external library in the project: The project uses methods from this library For me, the classes in this library are read-only I need to change the method logic from an external library a little bit What and how should I do? Maybe I should create new class in project with the same logic? (+ my changes) Maybe other solutions? 回答1: If you use Kotlin you could use Extension Function to extend class functionalities with no need to extend it. You use Java you could extend the classes and

问题 I have an external library in the project: The project uses methods from this library For me, the classes in this library are read-only I need to change the method logic from an external library a little bit What and how should I do? Maybe I should create new class in project with the same logic? (+ my changes) Maybe other solutions? 回答1: If you use Kotlin you could use Extension Function to extend class functionalities with no need to extend it. You use Java you could extend the classes and

问题 I'm trying to build an android app that will log into a website, scrape the website for data specific to the user, then format that data nicely on a mobile screen. I've noticed that there are several similar questions to my own, and after reading some of the documentation, I am still very confused as to how I should go about this. Here's what I know The site that I want to log into utilizes asp.net and the login.aspx uses POST for the login form. There is no API for this website There is also

问题 I am having a little bit of a problem here. I am trying to figure out how to catch the IllegalArgumentException. For my program, if the user enters a negative integer, the program should catch the IllegalArgumentException and ask the user if he/she wants to try again. But when the exception is thrown, it doesn't give that option. It just terminates. I tried to use the try and catch method but it doesn't work for me. How do I catch this particular exception to continue to run instead of