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-1
votes
0answers
5 views

k means for 2d data

I am implementing k-means for 2d data and stuck at the part where we assign centroids and later each instance to the cluster. I wanted to know the next strategy that I should go ahead with ie. how do ...
-2
votes
0answers
10 views

How to use JButton input values in a JPanel? [on hold]

The program we have to create requires user input to move, scale, or skew a randomly generated polygon. I've been going in circles for the last few hours and am at my wit's end. If anyone has any ...
-3
votes
0answers
11 views

How to solve out of bounds exception error? [closed]

I am having trouble with an out of bounds exception error and can't figure out the problem. I'm still new to to java. I don't know why its appearing like that. Below is my code: public class ...
1
vote
1answer
23 views

Isn't software needed from programs to run? [closed]

I am a student who has entered a game programming competition called FBLA at school, and I sent them an email because I had a few questions about how the competition is ran. The main question I had, ...
-2
votes
0answers
17 views

Returning multiple values in if/else statement for Java [migrated]

I'm having a really hard time understanding how to exactly return a value based on multiple situations. If I choose to have return kg; from my ...
-1
votes
1answer
34 views

Linked list implementation problem [closed]

Note its not a homework question, just practice Hi i have always seen linked list implementation in java using the following piece of code ...
1
vote
1answer
160 views

Code to get java code complexity [duplicate]

I have Java function as input and want to get it's order for example O( n ) I search in the internet very hard but didn't find any thing can help me, is there any algorithms or package may help me.
2
votes
1answer
163 views

Java, strong typing, covariance and contra-variance

While studying for a test in my OOP course, I came upon this question which had an answer I didn't really understand. The question is as follows (translated): The programming language "Sava" is ...
2
votes
1answer
242 views

Contracts for Java Bytecode

Introduction For a paper I need contracts, which are also referred to as Design by Contract (DbC)1, and conceptually go back to Hoare[2]. For my work I need to apply contracts to Java bytecode. The ...
7
votes
3answers
311 views

Inheritance, and dynamic access to members/attributes and methods in Java-like languages

I have a question about inheritance in Java-like OO programming languages. It came up in my compiler class, when I explained how to compile methods and their invocation. I was using Java as example ...
3
votes
1answer
198 views

Is the type inference here really complicated?

There's a question on SO asking why in Java the right type doesn't get picked in a concrete case. I know that Java can't do it in such "complicated" cases, but I'm asking myself WHY? The (for ...