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Tag: java

Duplication on ArrayList Java

my title is bad but I don’t have an idea what it should be. My question is simple, I have four arraylist and I want to get similar words from two of them and put another arraylists. Anyway my array lists like; I tried this; But as you see arrList1 and arrList2 have duplicates so arrList4 will have same …

java.lang.NoClassDefFoundError: javax/json/Json

I have a simple Java project where I would like to build a Json string. For this, I use javax.json: The project is build with maven, and in the pom I have added these dependencies: Compilation is ok. When I execute the code using that command: The main is in MyClass. I get: on the call to Json.createObjectBui…

IntelliJ Idea IDE using port 1099

I’m using IntelliJ Idea Community Edition IDE and I’m trying to run a Maven WebApp with Jetty by command line. I’m on a RedHat box I run this command: And I get this error: The funny thing is that when I close IntelliJ Idea, the 1099 port is released. I can’t find the reason why and ho…

How can I solve Java JLabel issues in application? [closed]

Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 8 years ago. Improve this question I am …