包含标签：Java 的文章
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Java-405 error code when calling from Jersey rest client
I am requesting a put operation, and I redirect to the get service URL after the request is executed Here, I face the …… -
Java – multipart resolver does not process multipart requests
I recently made some changes to my spring application by adding CSRF support To do this, I must also change the way I …… -
Java – hibernate manytoone n 1 select id
N 1 select query I encountered a strange problem My mapping looks like this: @Entity @IdClass(MyTablePK.class) @Table(…… -
Java – repeated input errors when using POI with gradle
I started a project that needed the Apache POI library I pasted them in my build Everything seems to be fine in the gr…… -
Java – ignore the record of repeated exception messages from third-party libraries
I need to deal with the repetition of specific exceptions in the log I use slf4j and logback to log in to my applicati…… -
Java – create the assertclass () method in JUnit
I am creating a test platform for the protocol project based on Apache Mina In Mina, when you receive a packet, the me…… -
Java – how to get the contact name from the Android (calllog. Calls. Content_uri) table?
I am new to Android and am developing an application. I need all outgoing call logs, numbers, call duration and contac…… -
Java – clicking on an item results in an IllegalStateException
How did this happen? I used recyclerview in the clip, and the clip itself implements my click listener Sometimes, clic…… -
Java – numbers and occurrences in the array
My job is to use the package implementation of array. You can add and delete numbers as needed So far, I have successf…… -
Java – spring data JPA – custom sorting in jparepository
I used spring data JPA and spring data rest and created a jparepository for my thing entity @Repository public interfa…… -
Load a record with
What is the preferred way to load a record using doctrine? I'm using it $em = EntityManager::create($connectionOptions…… -
Java – can I open repl in the context of a spring web application?
I am developing web applications based on spring MVC and hibernate on Tomcat 8 (for deployment and local development) …… -
Java – Google server authentication code failed login
So I managed to use the new Google login to work GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignI…… -
JavaFX is relative
Everything is great to work on this desktop application There were some problems with her and there, but each one was …… -
Java – add JPA to the right
NewRequest. java @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Basic(optional = false) @Column(nullable = f…… -
Thread job in Java
I want to generate 200 threads in Java at the same time What I'm doing now is entering the loop and creating 200 threa…… -
Why is the order of return types important when defining methods in Java?
public void static final finalMethod() public void static final finalMethod() { //This throws error saying "Syntax e…… -
Java – changes the value of the binding parameter when calling the query in the Oracle database.
We use Java 7 and spring framework 3.1 in our company 2,MyBatis 3.1. 1,MyBatis Spring 1.2. 2,JasperReports 6.1. 0, etc…… -
Java – Android / gradle / unity – contains all dependencies in the AAR plug-in
I want to build a plug-in to wrap unity's latest Google cloud messaging API (GCM) I wrote java code to implement it an…… -
Java – word counting using streams
I try to use streams in Java to calculate words This is what I tried: public static int countWords(String s) { ret…… -
Java – why doesn’t my code compile which string starts with a vowel check?
if (flipped.charAt(0) = "a" || "e" || "i" || "o" || "u"){ if (flipped.charAt(0) = "a" || "e" || "i" || "o" || "u"){ …… -
Java – how to export the DDL of all objects (such as tables, indexes, etc.) in Sybase IQ / Sybase ASE without using any tools?
I've created a sample program, and I want to use get_ The DDL method obtains the DDL of all objects, such as table, tr…… -
Java – delete the lowest bit
Given a binary number, what is the fastest way to delete the lowest bit? 01001001010 – > 01001001000 It will be use…… -
Java – type conversion via composition (interfaces and classes)
When I try to use methods that contain generic classes, two of which implement interfaces, I have a major disconnect I…… -
Java – how to create a long value with all bits = 1
I tried the following methods: public static final long DEVICE_ID_UNKNowN = 0xFFFFFFFFFFFFFFFF; But it can lead to The…… -
How to use reduce to sort lists in Java 8?
I have an object list list < BOM > in BOM, I have a list < bomline >, and now I have to use reduce pair Bo…… -
PowerMockito：java. lang.NoClassDefFoundError
I need to simulate a static final class in JUnit test: private MyFinalClient client; @Before public void setup() { …… -
Using generics in Java
I just started using Java, so this may be a stupid question for most people, Set<T> mySet; Eclipse gives an erro…… -
Java – a common JPA repository for multiple entities
I have several entities and use the spring data JPA repository and specifications to query my database Therefore, I cr…… -
Java . Charat (I) comparison problem
Why do you have to get a char from a string when comparing a char with another char? For example; It doesn't work whil…… -
JavaFX: draw sharp thin lines
I want to know how to use JavaFX to draw sharp thin lines I think my line is black, 1 pixel high This is what I have n…… -
Use lambda to provide stack based context (for example, the path of a file operation)
I have a subtle way (which may have been implemented and discussed) to do the same in groovy (from groovy documentatio……