How can one check if an integer is equal to another in a 2D array?

How can one check if an integer is equal to another in a 2D array? int[][] board = new int [3][3]; int a = board[0][0]; int b = board[0][1]; int c = board[0][2]; int d = board[1][0]; int e = board[1][…

Adding JavaFX PieChart in JPanel

I want to add a Pie chart inside a JPanel. I have gone through this and this. But it didnt helped me. I tried this code in the debugger but it is not getting pass line X. Somehow setScene function is …

While loop doesn’t exit after file download

I’ve got the following code to download a file being transmitted over TCP: try (OutputStream out = new FileOutputStream(path); InputStream is = socket.getInputStream();) { byte[] …

Jackson cannot parse body of a POST request

I am using Spring Boot to implement two web services, User and Book, and I am implementing the POST methods. When I send a POST request, i include the hard-coded JSON object in the HTTP Body: I am …

Nested generic types in static method

I was looking for a solution to this problem, I need to build the method so that it returns someObject, I was thinking about building something like this: public static <T, K&…

Selenium Issue When Having tabular data in the form of DIV on a website where inside a DIV I have one div for every row

While writing Selenium automation test for a website having number of rows in the form of DIV inside one DIV. every row denotes one DIV. suppose dynamically if I have 5 rows then following code …

Tools to generate library dependencies mapping graphs for java application?

I am looking for a tool to generate a dependencies mapping graph for my java spring applications, so I can have visibilities of all the third-party dependencies that might pose a security threat and …

How to get the key of a pushed value

In Firebase Realtime Database on Android, I want to retrieve this id “-Mb1sSv-FCNr9ElxZIwN”. databaseReference = FirebaseDatabase.getInstance().getReference().child(“Registration Data1&…

Composition or Inheritance for classes with almost similar implementations but different input and outputs for methods?

I have the following classes, which have quite similar method implementations. Only the classes’ method inputs and outputs seem to be of different types. When I put it like this, it sounds like a case …

Predicate alternative in Kotlin

I try to create lambda in Kotlin. I has following Java interface: public interface Specification extends Serializable { @Nullable Predicate toPredicate(Root root, …