Java 归档 - Page 301 of 655

Java – POJO to org bson. Document and vice versa

Is there a simple way to convert simple POJOs to org. POJOs bson. Document？ I know there are many ways to do this: Do……

Java

2020-02-23

Java PBEWithMD5AndDES

I'm using password - based encryption My initial idea was to use AES to encrypt files containing passwords Prove that ……

Java

2020-02-23

Java EE – why not use session beans instead of message driven beans?

I wonder, why not use session beans instead of message driven beans? If you can call remote methods from EJBs, why sen……

Java

2020-02-23

Create an object before the super call in Java

Consider the simple java code that doesn't work: public class Bar extends AbstractBar{ private final Foo foo = ne……

Java

2020-02-23

Floating to 2 decimal places

I want to add two decimals to a floating point number I have 2 floating point values: 1.985 29.294998 They all need to……

Java

2020-02-23

Java – consumer mapping class in HashMap

I want to create an identityhashmap < class < T >, consumer < T > > Basically, I want to map a type ……

Java

2020-02-23

How to force the java server to accept only TLS 1.2 and reject TLS 1.0 and TLS 1.1 connections

I have an HTTPS web service running on Java 7 I need to make changes so that the service only accepts tls1 2 connect a……

Java

2020-02-23

Java code to XML / XSD without annotations

I need to group and ungroup Java The course doesn't belong to me. I can't add animation so that I can use JAXB Is ther……

Java

2020-02-23

Java – mockito: how to run some code using the stub method when calling

I want to stub a repository class to test another class with a repository (holder class) The repository interface supp……

Java

2020-02-23

Java – executorservice, how to know when all threads complete without blocking the main thread?

I have a multi-threaded implementation. I create an executorservice and submit the tasks to be executed. I want to kno……

Java

2020-02-23

Check whether the user is root in the Java application

How do I verify that the user is root in a Java application? thank you Solution Simple Just use System.getProperty("us……

Java

2020-02-23

Java – stream lists are grouped

I'm looking for refactoring how to use streams in some of my code The first example is my current practice The second ……

Java

2020-02-22

Java – what is the difference between the non xadatasource with JTA = “true” and xadatasource?

I'm confused that we can allow JTA transactions using non - XA data sources So what's the difference between Xa and no……

Java

2020-02-22

How do I call clojure macros from Java?

Did you call the clojure macro from Java? This is what I am trying to do: RT.var("clojure.core","require").invoke(Symb……

Java

2020-02-22

Java – string tokenizer: separate strings with commas and ignore commas with double quotes

I have a string like the following – If I mark the string above, I get comma separated marks But I want to use the str……

Java

2020-02-22

Java – how should I check whether a stream is sorted?

Using Iterable < T >, it is easy to: T last = null; for (T t : iterable) { if (last != null && last.……

Java

2020-02-22

Java – does anyone locally parse Jax WS catalog. XML of schemalocation on metro xml？

I'm in my A jax-ws-catalog.xml file has been added to the war file XML to parse schemalocation. XML locally rather tha……

Java

2020-02-22

Java – export JSP tables to excel, word, pdf

Anyone can suggest me any library / jar file that I can use to export my table to excel / PDF / word Please tell me if……

Java

2020-02-22

Java – JDBC batch execution is extremely slow

Anyone can tell me what I did wrong. I execute 350 plug-ins in MySQL and it takes 40 seconds This is the code long t0 ……

Java

2020-02-22

Unit testing – unit testing is worth the effort, in a large and old (5yr) code base?

I just joined a team that has been working in the main mode for the past five years (Java, Maven based projects) There……

Java

2020-02-22

Java – get the result of searchresponse in elasticsearch

I am trying to use es as the index of mongodb I successfully integrated them together, but I found the Search API quit……

Java

2020-02-22

Add – javaagent to Tomcat 6 server, where can I put it and what format?

I'm trying to install an application health monitoring application that can monitor J2EE Web transactions. I need to p……

Java

2020-02-22

Java – how is this eclipse view formed?

I am developing an eclipse plug-in, which will add a new context menu. When clicked, a dialog box will pop up, and use……

Java

2020-02-22

JavaBeans comparison

Does anyone know a free open source library (utility class) that allows you to compare two instances of a java bean an……

Java

2020-02-22

Java – volatile in method signature?

See English answers > why make a method volatile in Java? 7 class A { protected A clone() throws CloneNotSup……

Java

2020-02-22

Java – JDBC logging to file

I need to log all queries to the Oracle database in my project to a log file What is a good way to achieve this? Some ……

Java

2020-02-22

Java – use workflow engine, state machine engine or scroll myself?

I'm confused I am developing an internal tool based on Grails for my company One component of this tool is a simple pr……

Java

2020-02-22

Java – what should you do?

Java checked exceptions sometimes force you to catch checked exceptions that you think will never be thrown Best pract……

Java

2020-02-22

Java – countdown timer without GUI

Basically, I'm making a text-based "game" (not a game, but more a way to improve basic Java skills and logic) But as p……

Java

2020-02-22

Java – real world example of applying command patterns

Command pattern can be used to implement transaction behavior (and undo) Solution In one of our projects, we have the ……

Java

2020-02-22

Java – bad practice – the class defines CompareTo (…) and uses object equals()

Want to know what needs to be done with the listed methods public final int compareTo(final FieldDTO o) { retu……

Java

2020-02-22

Java – how do I enable Maven profiles when the build version is not – snapshot?

I'm trying to use the gitflow helper Maven plugin extension for my Maven build Therefore, I want to configure my proje……

Java

2020-02-22

搜索内容

Java – POJO to org bson. Document and vice versa

Java PBEWithMD5AndDES

Java EE – why not use session beans instead of message driven beans?

Create an object before the super call in Java

Floating to 2 decimal places

Java – consumer mapping class in HashMap

How to force the java server to accept only TLS 1.2 and reject TLS 1.0 and TLS 1.1 connections

Java code to XML / XSD without annotations

Java – mockito: how to run some code using the stub method when calling

Java – executorservice, how to know when all threads complete without blocking the main thread?

Check whether the user is root in the Java application

Java – stream lists are grouped

Java – what is the difference between the non xadatasource with JTA = “true” and xadatasource?

How do I call clojure macros from Java?

Java – string tokenizer: separate strings with commas and ignore commas with double quotes

Java – how should I check whether a stream is sorted?

Java – does anyone locally parse Jax WS catalog. XML of schemalocation on metro xml？

Java – export JSP tables to excel, word, pdf

Java – JDBC batch execution is extremely slow

Unit testing – unit testing is worth the effort, in a large and old (5yr) code base?

Java – get the result of searchresponse in elasticsearch

Add – javaagent to Tomcat 6 server, where can I put it and what format?

Java – how is this eclipse view formed?

JavaBeans comparison

Java – volatile in method signature?

Java – JDBC logging to file

Java – use workflow engine, state machine engine or scroll myself?

Java – what should you do?

Java – countdown timer without GUI

Java – real world example of applying command patterns

Java – bad practice – the class defines CompareTo (…) and uses object equals()

Java – how do I enable Maven profiles when the build version is not – snapshot?

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