Java
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Java – how to append two bytes to int
I tried to append two bytes with hexadecimal values and store them as integers Obviously, everything is an unsigned va…… -
Debugging and publishing configuration in Java NetBeans project
Can I use a debug / release configuration that I can choose between so that I can change some variables when compiling…… -
Java – generate MouseMove event using dispatcher?
Do you use Java awt. Component. DispatchEvent (awtevent) does a MouseMove event? .dispatchEvent(new MouseEvent(client.…… -
Java – unit test for parsing files. How to load files from within the application?
I want to test a service method for parsing Excel files >I want to create a test folder for Excel files under web a…… -
Java JSON parsing
Well, I've been trying for three hours now Using a lot of APIs, it still doesn't work properly I'm trying to parse { …… -
Java – Dom4j xmlns attribute
I want to add only the xmlns attribute to the root node, but when I add a namespace to the root element, all subsequen…… -
JUnit conditional disassembly
I want conditional disassembly in my JUnit test cases, such as @Test testmethod1() { //condition to be tested } @Teard…… -
Java and type security
When comparing Java and JavaScript, the MDN JavaScript guide explains the following: Of course, with regard to the fir…… -
Import nanos into Java sql. Timestamp
http://docs.oracle.com/javase/6/docs/api/java/sql/Timestamp.html The only ctor that doesn't belittle needs millis Is t…… -
Java – sequencegenerator problem for unit testing in HSQLDB / H2
I've tried to use HSQLDB and H2 for unit testing, but I'm facing the problem of sequence generator The field declarati…… -
Java: how to make this serializable?
I need the following class to be serializable package helpers; public class XY implements Comparable<XY> { …… -
Java – generic parameters for serializable collections
I have such members in a serializable class: private final Map<String,List<T>> categoryMap = Maps.newHashM…… -
Java – how do I get numbers? How many items have different names?
I have a list < custom > Where is custom class Custom { public int id; public String name; } How do I ge…… -
Java – spring using security: authentication principal in the link username
OK, this should be a simple one In the header In the JSP x file, I want a link to guide authenticated users to their u…… -
Java – buttons are not initially drawn
There is a problem with my applet. The buttons won't be drawn until you hover over them They stay after that, but once…… -
Socket programming between Java and TCL
I have to write a program for a scenario in which a java program will communicate with a TCL program using socket prog…… -
Java – rotate the image in the override paintcomponent (…) method
I just want to know how to use the paintcomponent () method of jlabel component to rotate the rectangular image and se…… -
JavaFX: drawing on ImageView with mouse
Use the mouse in ImageView I don't know any method of drawing on, such as using canvas? Solution My coming here is a g…… -
Vectorization insert element
I wrote an R function to insert a given element E at a given position P of vector v Here is: insert <- function(v,e…… -
Java JXL exception with largest row
I am creating an excel table from my vector, which contains 127923 records. When I try to enter records, I will encoun…… -
Boundaries in java games, how do “professionals” do this?
How do professionals make boundaries in 2D games? My way is to say that I don't want elves to enter an area: //Example…… -
Sort alphanumeric string Java
I have this array to store the suffixes of some URLs added by the user: [U2,U3,U1,U5,U8,U4,U7,U6] When I do this: for …… -
Synchronous multithreading in Java
I teach myself Java. I want to know about multithreading I created the myThread class, whose job executes a loop until…… -
Java 7 try with resources (autocolosable) implementation
My question is more about the type than how I know that there are the following jobs in Java 7: try ( File…… -
Java – redraws jpanels with different images each time you click
I'm still a novice in Java. I have the following questions public class Level { JPanel panel String img1Path = "im…… -
When specifying types, javac “uses unchecked or unsafe operations”
The following codes: public void addGrillaListener(Stage stageToClose,Grilla listener) { GrillaHandler<WindowEv…… -
Best practice – how do I test for strings in Java?
I render some data according to conditions Support method execution to check whether the string exists But I don't kno…… -
How to use private Java classes for effective API design
I am writing my first "API jar", which will be an open source library and used by (possibly) other developers I read J…… -
Set the “user agent” parameter for urlconnection to query Google from Java applications
I tried to get the results from the Java query as follows: String urlquery = "https://www.google.com/search?hl=en&…… -
Java – replaceall boundaries and exceptions
I'm trying to use replaceall to eliminate all spaces in the string, except two areas If my string is AB CD #E F# #…… -
Are there any problems when the project has different versions of the java compiler?
I have an eclipse workspace with several Java projects (in Maven); These are interdependent Recently, I started to cha……