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Tag: java

how pattern syntax exception works

how do I use the following statement in try n catch block to chk if the name is valid and display error msg if any? and how to use PatternSyntaxException Answer You don’t need a try…catch to check if the name is valid. The line you wrote: NAME_PATTERN.matcher(name).matches() returns a boolean, tru…

Parse a json list into list of object Java

I have a response as follows I want to map this json to a POJO object and have created this class I am currently using this way to read this The size of events is 2 but each event is coming as null instead of a map. Can Someone please help me ? Answer To achieve your goal you have

How can I import the Maven shade plugin properly?

I am very frustrated. I’ve spent a long time trying to compile a Maven project into an Uber/Fat jar file using the Maven shade plugin, but I still keep getting “mvn is not recognized as an internal or external command” error in command prompt. Here are the important bits of my pom.xml: I don…

How does a thread work with Handler in Android?

In the code section given below, I have run a thread on a button click. At first, the thread will set text to the textView, then it will sleep for 6 seconds. But, in reality on the button click, at first, the thread is sleeping for 6 seconds and then it is setting text to the textView. Now, why is

How do I get the name of the Scenario step currently executing?

I’m logging the currently executing Scenario in a hook like so: But, how do I get the name of the Step? I mean, the Given, When, Then lines. Answer You would need to implement the ConcurrentEventListener interface and setup the handlers for the event you are looking for, in your case the TestStepStarted…

How do i make use of groupingby in java

I have a movie list from a web service that i need to group using genres attribute from the data. My question is very similar to this groupby ngFor angular2 but in java instead. movie list from the web service looks like this here is what i’m trying to achieve but i cant seems to get it right i’ve…