How do I create a random password that meets the system’s length and character set requirements in Java? I have to create a random password that is 10-14 characters long and has at least one uppercase, one lowercase, and one special character. Unfortunately, some special characters are too special and c…
Hibernate: New Session without dropping the tables
I am new to Hibernate (implementing since yesterday) and i succesfully created a method, that transfers my Customer Objects to the Database. After i quit my application and start it again and create a new session (in an other method) based on my hibernate.cfg.xml file with this setting: It leads to that point…
Java AWT Window doesn’t get repainted
I’ve derived a class from window, but whenever I call setValue() (which calls repaint) it doesn’t get redrawn (the method is called, but nothing changes on the screen). The first value is drawn, which is 0 by default. Here’s the class: Why does it not get repainted properly? Answer From the …
Selenium logging in Java – best practice? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 7 years ago. Improve this question What are the current best practices for logging selenium webdriver ac…
Guice: Injecting map binding with @Named
I would like to have the following injection model. Is this possible with Guice? Module: Class: Answer That is not what map binder are intended for. In your example a binding annotation would be the way to go: https://github.com/google/guice/wiki/BindingAnnotations
Given n and k, return the kth permutation sequence
The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following sequence (ie, for n = 3 ) : “123” “132” “213” “231” “312” “321” Given n and k, return the kth p…
Rearrange modifier keywords in IntelliJ
Is there any way to automatically rearrange modifier keywords in IntelliJ? For example, if I have the following code: Rearrange it to: Answer Go to Settings and enable the Editor | Inspections | Java | Code style issues | Missorted modifiers inspection. It has a quick fix to sort the modifiers. This inspectio…
How to generate test-output folder from testng tests?
How to generate the test-output folder for a testNG test? I am trying to get the default testng report, index.html Netbeans7/windows7 I made a simple testng test case, ran it in netbeans 7, and here is the result. I see no test-output. I am displaying the project and file structure. If I need to do something …
Java – Write hashmap to a csv file
I have a hashmap with a String key and String value. It contains a large number of keys and their respective values. For example: I would like to write this hashmap to a csv file such that my csv file contains rows as below: I tried the following example here using the supercsv library: http://javafascination…
Getting ‘Exception in thread “main” java.lang.NoClassDefFoundError: org/ini4j/Ini’ error after succesfully compiling source file from the CLI
Background: I am trying to use ini4j for the purpose of parsing config files in the ini format. I run the command: javac -classpath ini4j-0.5.4.jar Driver.java and the compilation goes smoothly…however when I attempt to run the program running: java Driver I get this error: Exception in thread “ma…