Java
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Verify Hijri date on Java 6 (Islamic calendar)
I want to verify the Hijri date In my application, Hijri date will appear in DD / mm / yyyy format I want to verify th…… -
How to add two matrices in Java
I want to add two matrices with the same number of columns and different numbers of rows, but I want to know how to do…… -
java – PrintWriter. Printf and printwriter Differences between format methods
Is there any difference between the Java printwriter method printf and the format? The document says printf is a conve…… -
Java – deploy spring based war and externalize its jar dependencies
I have a spring application that has many dependencies (18 megabyte jar files..) – Now, when I test on a remote Tomcat…… -
Java – add fields to webservice
I have a soap service that exposes methods TradeDetail getTradeDetail() Tradedetail stores five fields, transaction nu…… -
Can the skip method of Java – stream make the infinite stream limited?
"The limit() and skip() methods make the stream smaller. They can make the finite flow smaller, or they can generate a…… -
Java reduces the collection of strings to the mapping that occurs
Treat list as Id1_ f,id2_ d,id3_ f,id1_ g. How do I use streams to obtain simplified mappings of statistics in the for…… -
Java – JNI is passed by reference. Is it possible?
I have a java program that calls the C program to authenticate users I want the program to return true or false. If fa…… -
Java – gradle: ‘compile’ cannot be applied
Today, I started a new JDK 11 project with gradle 5.0 (using gradle wrapper) and created a basic build script: buildsc…… -
Java – map filter lambda expression using two fields from different class hierarchy routes
We have a method that receives class objects at the top of the class hierarchy It uses a condition based on a field de…… -
Java – convert 2 decimal to integer
I want to convert the number 2.55 to 255.55 in Java I tried the following code, but I got 254 instead of 255: final Do…… -
Java scheduler
Which is the best way to run a process in a scheduler I can do crontab or spring batch Are there other better options?…… -
Java – requires pattern advice (hibernate Guice)
I am looking for advice on how to inject runtime dependencies into JPA entities retrieved from hibernate My question i…… -
Setting namespaces and schemas using java DOM
There is a root element without attributes in my output XML document: <?xml version="1.0" encoding="UTF-8" standalo…… -
Dynamically create tables and Java classes at run time
There are requirements in my application My table is not defined in advance For example, if a user creates a form by n…… -
About vector / vector behavior in Julia
Given by 3 / [2; 2] 1×2 LinearAlgebra.Transpose{Float64,Array{Float64,1}}: 0.75 0.75 And 3/ [2; 2] gives 2-element A…… -
Converting nested lists using java streams
Is it possible to use streams to get the same results (as I currently get using the following nested for loop)? List&l…… -
Can the Java – checkstyle module “needbraces” use nested if / else blocks?
We are using checkstyle to enforce our style standards One of the style rules we chose to include is the needbraces mo…… -
Java 8 streams finds the element and adds it to the beginning of the new list
I wonder if I can use the Java streams line to solve this problem: I need to find a string in the string list and crea…… -
Java – eclipse – sonar s2629 may have false positives with new strings
I'm using the latest eclipse and sonar plug-ins Record the following lines in answer: log.debug("Request body: {}",new…… -
Java – the following code is thread safe
I have a scenario. I must maintain a map that can be filled by multiple threads. Each thread modifies the correspondin…… -
Java – do calls to thread safe functions also need to be synchronized?
If I am using concurrenthashmap (where put is thread safe) and I provide a common function myput using concurrenthashm…… -
The Java 8 stream cannot resolve variables
I'm new to Java 8. I want to refactor this code and convert it into more Java 8 styles, for (RestaurantAddressee Resta…… -
Java – how to use timezone to parse datetime without t or nanosecond
I am trying to parse the date time string in the following format: 2019-02-22 19:29:43+00:00 I am following this guide…… -
Java – how to encrypt the password of jconsole password file
I am using jconsole to access my application MBean and use password Properties file However, according to sun's specif…… -
Java – how to determine the controller (spring) for a given URL
How to use spring defaultannotationhandlermapping to find the controller that will eventually process the given URL I …… -
Java – simulate / test core objects in my system
I was asked to change some classes that are core to the system we work on Each problematic class needs 5-10 different …… -
Sun training for sun certified Java programmers (scjp) – classroom or web based?
Has anyone had sun training experience? What are the advantages / disadvantages of the two kinds of training? -Goe Sol…… -
Java – beansbinding, jgoodies binding, Jface or glazed list?
I started to investigate beans binding and my head began to rotate There are many options, but this is a core design d…… -
Java – why can’t I get filechannel from filewriter?
I wonder why getchannel is only implemented in fileoutputstream instead of filewriter Is there any real reason? Is the…… -
Java – print all strings from the list by passing in a char variable
I need to print all strings in the list by passing in a char variable When I have something I like, for example, I pas…… -
What else must you master besides framework and Java syntax?
In addition to learning Java, spring, hibernate, servlets, JSP, how to use eclipse / NetBeans, MySQL / Oracle / Postgr……