How do I take the result of something and use it
I’m trying to take the answer of my multiply code and then store it in a local variable called result public int multiply(int x, int y) { return (x*y); } is what I have so far. After testing it, I get...
View ArticlePassing List of Exception Types as type parameter to generic method
I’m trying to write a generic helper method that’d call methods and handle exceptions if any. The method should be able to accept a List of acceptable Exception types, and handle them in a specific...
View ArticleOne method called in several methods
I have a class that looks like this: class A { public void method1(){ iniCall(); // Do something finalCall(); } public void method2(){ iniCall(); // Do something different finalCall(); } // ... more...
View Articlewhy is FileReader not a class in NetBeans?
So I just switched to NetBeans today because my eclipse had been crashing for a bizillion times. However when I am learning something on reading files, I can’t seem to import the class for FileReader....
View ArticleCreating an Atomic RingBuffer in Java
I was thinking of how I would go about implementing a thread-safe RingBuffer in Java and Android (as for some reason there is none, even after all these years, not even a circular queue. So, no...
View ArticleScala: "No Type Args" type constraint
Suppose I have a Java class: public class Foo { public static <T> T doSomething(Class<T>) { ... } public static <T> T doSomething(TypeToken<T>) { ... } } And now I wish to...
View ArticleJunit expect assertion called [duplicate]
This question already has an answer here: How do you assert that a certain exception is thrown in JUnit 4 tests? 18 answers In Junit is there a way to make sure the code makes it past a certain point?...
View ArticleConverting pojos to generic records in confluent.io to send through a...
I am completely new to Kafka and avro and trying to use the confluent package. We have existing POJOs we use for JPA and I’d like to be able to simply produce an instance of my POJOs without having to...
View ArticleMaven dependency is not found when that dependency is open in a project in...
The title was a bit difficult to form given the issue. Here is a better explanation. I have 2 projects in an Eclipse workspace, Project A and Project B. Project A is a maven project that compiles to a...
View ArticleLoading data from realm file
I like to load the integer from my json using the getter as followed, and it didn’t work. Did I do something wrong int position; Setting setting = new Setting(); position = setting.getRadioPosition();...
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