What is the difference between a .jar and a .war file? Is it only the file extension or is there something more?
Given the very poor documentation about scp/ssh and maven I tried different approaches, basically falling in two main categories: using scpexe wagon and scp wag
Has anyone out there implemented a real-time embedded Java system? I am very interested to see if this could work for a new product I'm devel
I discovered this surprising thing while learning OCA/OCP for Java. Below is the first piece of code of which the if(test condition) part surprises me. public
Is there any annotation for a Filter class (for web applications) in Spring Boot? Perhaps @Filter? I want to add a custom filter in my project. The Spring Boot
I'm trying to load Arrow file into scala. But every time I call ethier arrowStreamReader.loadNextBatch() nor arrowFileReader.loadRecordBatch(arrowBlock), the JV
I want to find line number of an instance variable in Java file during run time. So far my understanding, it can be done through java reflection but don't know
I'm adding three different objects to an ArrayList, but the list contains three copies of the last object I added. For example: for (Foo f : list) { System
I have a problem with drools flow persistence (MySQL), I get the following exception: 2011-04-15 14:38:27,244 INFO [STDOUT] (http-0.0.0.0-8000-5) Hibernate: i
Currently, I am working on a "Selenium Wrapper Library", where a set of methods are created in order to perform automation on a particular Web
This Java code: public class XYZ { public static void main(){ int toyNumber = 5; XYZ temp = new XYZ(); temp.play(toyNumbe
this is my first question and sorry for my bad English I want to extract only word from String that have combination of letter and number and store it in array
I want to set corner radius to imageview and control the radius on seekbar. As the seekbar progresses the corner radius should increase and vice-versa. Currentl
I am trying to write some code where, once the user clicks a button, it will do some set of code in my Thymeleaf controller class. I tried looking on other vari
Is it possible in Java to do a sort of #ifdef thing, like in C/C++? Example: class Test { public static final boolean ANDROID = false; public Test()
Is there an option in tomcat log4j2 to force the logs to roll over after a defined interval even though there is no traffic at the time of rollover. Usual behav
I'm trying to take a string, passed as an argument, and evaluate it as a boolean expression in an if conditional statement. For example, the user invokes MyPro
I am getting the below exception while doing a ldap search and wondering if it is a problem with api or something I need to fix ? 16:41:19,290 ERROR [com.sync
I'm using the latest maven 3.3.9 which enforces java 8, and trying to compile a project in java 7 using a java 7 maven toolchain. As per: The maven guide I'
For this two imports; import sun.misc.BASE64Encoder; import sun.misc.BASE64Decoder; I got this error: Access restriction: The type BASE64Decoder is not acce