Java
-
Automated unit testing for maintaining object method contracts in Java?
When developing Java applications, I often rewrite object methods (usually equals and hashcode) I want some ways to sy…… -
Warning: [unchecked] unchecked call put (k, V) as a member of the original type Java util. Hashtable localParams. put(name,values);
I have two warnings: HELPDESKGESTION2\src\java\glpi\filter\LoginFilter.java:289: warning: [unchecked] unchecked call t…… -
R: Use the position information of the element when looping the vector
Can I use the index of the element and the element when looping through a vector? a. Vector < - C ("a", "B", "C", "…… -
Java – prevent duplicate activities
So I'm both a novice in Java and creating Android applications, but not a novice in programming I've read most of deve…… -
Java – can I use spring’s @ component on enumerations?
I use spring 3.0 X and follow the enumeration singleton pattern of one of my implementations public enum Person implem…… -
What does the Java – loadload barrier really do?
In Java, when two threads share the following variables: int a; volatile int b; If thread 1 executes: a = 5; b = 6; Th…… -
Error classes in Java
I try to understand the error class in Java I have a good understanding of the exception class, but I can't find the c…… -
Java – eclipse – declare variables based on return or get (shortcut)
I don't know how to use this phrase in search, but if there is a shortcut in eclipse that allows us to declare a varia…… -
java. io. IOException: invalid keystore format
Who knows how to solve this problem? When I click on more details, I get this: at sun.security.provider.JavaKeyStore.e…… -
Java uses machines to send keystrokes to humans
I know that robot class can be used to send keystrokes in Java, but is there any way to specify the target process whe…… -
Java – query the usage of this variable in recursion
After calling the method, node.nth(5) In the following code, public class List_Node { int item; List_Node next…… -
Java – NFC and NFC tools to create nDef applications
I tried to do what I would guess would be simple, but it turned out not to be I have an acr122 NFC reader and a bunch …… -
Java – jdesktoppane resizing
We have one application with two jframes and two jdesktopanes The problem we encounter is that after moving the intern…… -
Java – missing soapaction header when using CXF
I have a WSDL file from an external WS and I am connecting to it I'm trying to use CXF (with Jax - WS) But I got error…… -
Ignore SSL authentication in Java
I must use an invalid SSL certificate to call the HTTP service hosted on the web server In dev, I use keytool to impor…… -
Java – unable to convert db ‘/ data / data / my easymedi. controller/databases/EasyMediInfo. The locale of db ‘is changed to “en_us”
There is a predefined database in my Android application, which is located in the assets folder I created a table of A…… -
Java – Jax WS changes the content type to content type because the server is super sensitive
I have to connect to a poorly executed server that can only understand content type (capital-t), not content type How …… -
Java – find whether the certificate is self signed or Ca signed
I have a web application that allows users to upload pkcs12 I store pkcs12 in the database as a binary file Is there a…… -
Get the nth element from the list using the Java stream
I have a list of strings, such as "/ 100" "/ 100 / 200" As we all know, the length n of each internal list is the larg…… -
Multithreading – golang blocking and non blocking
I'm a little confused about how to handle non - blocking io Will go use to block IO when reading a file from a file or…… -
Java – set the default heap size in windows
See the English answer > how to increase Java heap memory permanently? three Solution Java_ Opts is set to a system…… -
Java – meaning and solution of spring 3 error message “getresponsebodyasstream is recommended”
I am using spring 3. Every time I submit an HTML form to the spring control, I receive this message. I don't understan…… -
Java – SVG / vector graphics object Boolean operation (Union, intersection, subtraction)
I have two-dimensional closed vector paths, which are specified in SVG paths like syntax, that is, these paths include…… -
Java – Google Guice: provider with parameters
I have a constructor that depends on classes a and B I define it as follows: @Inject TestClass(A a,B b) Is there any w…… -
Java – synchronization – reordering obstacles in two directions with the edegs Compiler?
I have a question about the JAVA memory model The following examples are given: action 1 action 2 synchronized(monitor…… -
Adjust the brightness and contrast of bufferedimage in Java
I'm using some frameworks to process a bunch of images. All I have is a bunch of buffered image objects Unfortunately,…… -
Java – Google App Engine 1.6 4 local slow?
Original problem Because I started from 1.6 3. Change the version To 1.6 I encountered serious performance problems wh…… -
Deserialization of embedded Java objects
I have to deserialize the following JSON to use the Jackson library to enter the client class { "code":"C001","city…… -
Why is the JavaMail connection timeout too long
In my application, I connect to the server to authenticate users This is the code: try { Properties prop = new…… -
Use prepared statements and variable bindings to use JDBC drivers in Java
I'm using it >JDBC template enables JDBC to connect to a MySQL Database > prepared statements to protect itself …… -
java. lang.ClassNotFoundException：org. apache. commons. lang.exception. NestableRuntimeException
I tried to retrieve data from the database When I run the program, it displays the error Java lang.ClassNotFoundExcept…… -
Deserialization – for Java util. Gson deserializer for date
Does anyone have a deserializer job? Do I get the full JSON expression in the method "deserialize" instead of the elem……