In java 8, what's the best way to check if a List contains any duplicate? My idea was something like: list.size() != list.stream().distinct().count() Is it
I've created a simple project with Java and Kotlin code, and I'm trying to compile it as Java 9 module. Here is my pom.xml: <?xml version="1.0" encoding="UT
This is the snippet of Java code: int[][] uu = new int[1][1]; uu[0][0] = 5; for(int[] u: uu){ System.out.println(u[0]); } It prints 5. But why does the d
I want to mock a query provided on my repository like this: @Test public void GetByEmailSuccessful() { // setup mocks Mockito.when(this.personRepo.find
I did everything according to the instructions, installed all environment variables, but it still does not start. This is what is output in cmd when I try to st
I am developing a system with Java (using NetBeans) and, to make it more "professional", I've added some cool functions, such as Placeholders (Yes, I know, it's
It is possible to count the number of zeros in an integer through a recursive method that takes a single int parameter and returns the number of zeros the param
I need to run multiple async methods from the main thread, which should be able to finish even after the main thread has returned a response. I've added a metho
The question basically says it all. How can I check if SVG has a viewBox attribute? I am using Batik lib. I need this because I need to (at least) notify the us
When I try to use kyronet (for networking), I get this error. It seems like nothing is wrong in the code, and I exported it right. Here is the log: [TextRPG] S
I am trying to set some custom(from hexcode or rgb value) color to a xssfcell.But the color of the cell is becoming black even though I am giving some other col
When I try to use kyronet (for networking), I get this error. It seems like nothing is wrong in the code, and I exported it right. Here is the log: [TextRPG] S
According to this video https://www.youtube.com/watch?v=n_Y7r-7GxDo I need to place the icons in the main package. Even after this, I get the same error packa
I'm having trouble adding items to a JList called lstContacts whenever a button is pressed. When I press my new contact button, a line should be added to lstCo
According to this video https://www.youtube.com/watch?v=n_Y7r-7GxDo I need to place the icons in the main package. Even after this, I get the same error packa
Coming from a C++ background, I am a huge fan of the RAII pattern. I have used it extensively to handle memory management and lock management along with other u
I managed to add facebook login and google login to my application but I think I might have done something wrong. Before I started adding the logins I previousl
I am trying to implement an ETA feature Using System.nanoTime() startTime = System.nanoTime() Long elapsedTime = System.nanoTime() - startTime; Long allTimeFor
Getting an else without if statement: import java.util.Scanner; public class LazyDaysCamp { public static void main (String[] args) { int temp
I am a QA and created a framework(JAVA) to execute my tests. Everything is going fine running the tests by Runners. All those tests works fine and got the PASSE