I am working at a commercial android application. I am also using some libraries licensed under different license types some of them stating the following: If the library has a “NOTICE” file with attribution notes, you must include that NOTICE when you distribute (One of them is licensed under Apa…
Java Palindrome (Boolean Method) with iterative solution (while loop)
Why doesn’t my palindrome program work correctly? It always returns false, and I can’t tell why. Here is my code: public static boolean isPalindromIterative(String string) { int a = 0; int b …
Finding the mode of a 2D array
I’m trying to return the mode of a 2D array using a frequency array. I have an array, score, which is of length 10, and has 3 columns. Each column contains an int that is between 0 and 100. I’m trying to find a way that will iterate through the array and return the modal value. What I have so
jooq single query with one to many relationship
I have a table experiment and a table tags. There may be many tags for one experiment. schema: Is it possible to create a query with jooq which returns the experiments and the corresponding List of tags? something like Result<Record> where Record is a experimentRecord and a list of Tags, or a map<exp…
public static void main(String[] args) throws Exception
What is the meaning of this? I don’t know it. If someone know please help me. I really want to know about “throws Exception”. Answer public : it is a access specifier that means it can be accessed by any other class in the program. static : it is access modifier that means when the java prog…
Not Permitted to Use File Not Found Exception, but it is necessary
so I am having a strange problem where I am trying to use a try-catch, but the exception it not permitting. I will try to be as clear as I can describing the issue. Some background: Okay, so the assignment is to basically allow the user to write some files and also read them. And so I’m at the part
Unique regex for first name and last name
I have a single input where users should enter name and surname. The problem is i need to use checking regEx. There’s a list of a requirements: The name should start from Capital Letter (not space) There can’t be space stacks It’s obligate to support these Name and Surname (all people are ab…
Return interface implementation with Kotlin and lambda
I have this simple interface : This interface is used in one function of a class : My question is : is there a way to simplify the return statement with a lambda ? I try some stuff like this but it doesn’t work : EDIT : Kotlin supports SAM interfaces now so declaring it like so : allows us
Should I use Bean Scripting Framework or JSR 223 javax.script ?
I was reading the groovy doc about integrating groovy into applications. From the paragraph 2. Bean Scripting Framework I can read The Bean Scripting Framework is an attempt to create an API to allow calling scripting languages from Java. It hasn’t been updated for long and abandoned in favor of the standard …
Conditionally add an operation to a Java 8 stream
I’m wondering if I can add an operation to a stream, based off of some sort of condition set outside of the stream. For example, I want to add a limit operation to the stream if my limit variable is not equal to -1. My code currently looks like this, but I have yet to see other examples of streams