Java
-
Java scanner entry key
I use Java programming How do I use java to do this I was told that this could be done using a scanner or a buffered i…… -
Java – how do I avoid closing the InputStream passed to my method wrapped in the reader stream?
I'm creating a Java method that accepts a single InputStream as a parameter To facilitate the use of character based s…… -
Java – HQL – paginated row identifier
Does anyone know if HQL has keywords to identify rows such as ROWID or rownum? I want to implement paging with HQL, bu…… -
Java – extended server_ Name (SNI extension) is not jdk1 8.0, but jdk1.0 7.0 sent
I have implemented a jax-ws client using Apache CXF (v3.0.4) and everything works normally, but there is a problem whe…… -
Java – what is a good combination of tools currently used to implement rest / J2EE / database custom authentication
I just want to know what is the good combination of tools / frameworks / libraries for implementing rest API on J2EE a…… -
Java – spring data repositories – find the where field in the list
I am trying to use spring pagingandsortingrepository and find myentity, where the fields in fieldvalues are queried as…… -
Java – last inserted value in DB
There is already an answer to this question: > how to get a value from the last inserted row? 14 When I insert a ro…… -
Java – MapReduce / Hadoop getting started
Recently, I have read a lot of information about MapReduce / Hadoop and think this is where the industry is turning Ca…… -
JavaFX bean binding suddenly stops working
I use JavaFX numberbindings to calculate certain values At first, everything worked as expected However, after a fairl…… -
Embedded – how to debug unexpected resets in STM32 devices?
I'm doing some development in C using stm32f107 chip, and sometimes when I call a specific function, the device starts…… -
How to create an OAuth request using Java?
I need to use OAuth to connect with viago website Referring to their documentation, I need to create a request similar…… -
Java – how to access enum field in playframework template
I have an enum, which has some fields that I need in play1 2.4 access in template public Enum WORKER{ FARMER,SMITH,…… -
Java – how to return specific types when implementing a common interface
I have an interface that will be implemented by several different classes, each using different types and return types…… -
In Java, there is no two – to – long conversion
I need to convert double to long and keep its binary structure instead of numeric value Just change the type, but keep…… -
Java BigDecimal triangulation
I am developing a mathematical parser that can evaluate strings, such as' 5 b * sqrt (C ^ 2) ' I am using ANTLR for pa…… -
How to map lambda expressions in Java
I come from Python and try to understand how lambda expressions work in Java In Python, you can do the following: opdi…… -
Java – JPanel does not use SetSize and setprefferedsize
Please explain why it doesn't work. You can also publish a solution to solve this problem Thank you very much for your…… -
Java – how to add support for resizing when using an undecorated JFrame?
I want to customize my title bar, minimize, maximize and close buttons So I use setundecorated (true); On my JFrame, b…… -
Warning: jsf1074: a managed bean named “bean” has been registered
I'm using mojarra JSF 2.2 The bean we define is based on anonation, for example @ManagedBean(name = "codeBean") @ViewS…… -
Java – deploy jax-ws web services on Tomcat
Note that Java 6 contains javax xml. WS, I can create a stand - alone web service Solution Download the subway from he…… -
What is jar signing in Java?
What is a jar signature? Can we customize it? I mean, have your own signature Solution Jar signature is the process of…… -
How to automatically improve debugging in symfony2
I tried to debug using symfony2 before, and dealing with cache is a great pain Solution I'm on the app_ This code (bas…… -
Java – JDBC uses select for update to lock a row, which does not work
I have a select problem with MySQL For update, this is the query I tried to run: SELECT * FROM tableName WHERE HostNam…… -
Java – use the stream to find objects in the list
See the English answer > why filter () after flatmap () is "not completely" lazy in Java streams? 6 // returns [i,j…… -
Implementation of counting using group in Java 8
I am looking for the implementation of group by, and then filter it according to the count in the lambda expression se…… -
Java – hibernate subquery
I have a problem creating subqueries using hibernate Unfortunately, the subqueries class has almost no documentation a…… -
Java hash map thread visibility
I fully loaded a Java HashMap during initialization, but after initializing multiple threads, the HashMap will read th…… -
Java – why does the spring task scheduler wait for the last task to complete?
I have the following task scheduler settings: <bean id="Task" class="foo.bar.Task" /> <bean id="TaskSchedule…… -
Focus debugging in Java
Question: I'm trying to debug some focus related issues in my Java Swing application. Sometimes, some components seem …… -
Java: can integer = null be set?
If this parameter exists in the database, I have a function that returns the ID number If not, null Is this begging fo…… -
How do I unit test the javanica @ hystrixcommand annotation method?
I am using javanica and commenting on my hystrix command method, as follows: @HystrixCommand(groupKey="MY_GROUP",comma……