I want to pass, both, named and unnamed arguments to the main method. Currently I am passing arguments as: and handling them as: However, I want to pass the arguments in a more dynamic way – namely, so that: I can pass, both, named and unnamed arguments; I can fetch/handle these arguments with their names; I will not be required
Tag: java
Where does maven search for log4j.properties file?
I am facing issues using log4j with Maven. I’ve one properties file i.e log4j.properties and I’ve put that file at the same path where project’s pom.xml is stored. pom.xml I’ve used log4j in my code which is under test folder. Code I would like to know, how does maven identify where the log4j.properties file is located? In the above scenario
Java Zip File System Provider: ReadOnly on remote drive [Windows]
I have a problem with Zip File System Provider: If the zip file is on a remote drive (mapped or not seems to be irrelevant), the virtual file system is readonly, although the file itself is not. I wrote a minimal sample code: If workingDir is a local directory, everything works fine. However, if it is a (mapped) remote drive,
What is an AssertionError? In which case should I throw it from my own code?
In Item 2 of the “Effective Java, 2nd edition” book, there is this snippet of code, in which the author wants to forbid the empty initialization of an object. The type of exception thrown, is what confuses me here. I don’t understand if the AssertionError is thrown just because of an absence of more suited errors or because it should
Maven build: Tomcat server doesn’t start
I am new to Maven and trying to setup a web project using Maven. I have setup the project in Eclipse and I am using Tomcat 7.0.53. In run configuration for Maven build and I have set tomcat:run in Goals. When I run this configuration, following log is seen in the Eclipse console: Nothing happens after this. There is no
Getting IndexOutOfBoundException
why does following main method gives IndexOutOfBoundException at list.add(1, 2)? Answer You can’t add an element at index 1 when it the ArrayList is empty. It starts at 0, or just use add. Per the ArrayList#add(int index, E element) javadoc, Throws: When size == 0, the index 1 is out of range.
How to create C style union in java?
I have to convert one of my code segment from C to java. Code is given below. union commandString{ char commndStr[20]; struct{ char commnd[4]; char separator1; char …
package javax.servlet.annotation does not exist
I have some of the following imports defined like the following as shown in the image below. I am wondering, how can I eliminate “package javax.servlet.annotation does not exist” error. I am currently working on “Java Web” type of project in Netbeans 7.4. . Secondly, I believe , the above error is the reason behind my second error related to
Spring dynamically choosing between data sources (alternative to ThreadLocal)
I’ve read about AbstractRoutingDataSource and the standard ways to bind a datasource dynamically in this article: It uses a ThreadLocal context holder to “set” the DataSource: I have a quite complex system where threads are not necessarily in my control, say: Scheduled EJB reads a job list from the database For each Job it fires a Spring (or Java EE)
Package org.jboss.netty.channel.socket.nio does not exist
Which JAR contains org.jboss.netty.channel.socket.nio? I’m not using Maven or Ivy, just Ant. Ant compile gives: In the classpath is: The library is netty-4.0.21.Final.tar.bz2, which was downloaded from the official Netty website. I added each JAR from that download to the project. Yes, I realize it’s not using the CLI javac classpath, but the JAR’s are visible in the project, as