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-3
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0answers
14 views

Explanation of Java Eclipse Error [closed]

Im writing java code for a class and I get this error when I try to run the code. The assignment was to "Write a graphical version of a card matching game using Swing. Your program should have 4 ...
0
votes
0answers
7 views

White Elephant Gift Exchange Game Object Oriented Design [migrated]

I'm learning about OOP and I'm attempting to solve the White Elephant Gift Exchange game. The way I've done it is that, I have created a bunch of set variables which store the set of gifts opened, set ...
0
votes
0answers
5 views

Understanding shifting operators [migrated]

The JLS 15.19 describes the formula for >>> operator. The value of n >>> s is n right-shifted s bit positions with zero-extension, where: If n ...
-1
votes
0answers
14 views

Help with Java code for sorting GPA [migrated]

I'm tutoring a high school student and she has a CS assignment that I don't know how to help her with. She is supposed to "write a method that will take an array of students and return the student ...
-1
votes
0answers
13 views

For loop and sign operator, reading Java [migrated]

I'm tutoring a high school student and my CS language skills need help. How do you interpret this java code? ...
0
votes
0answers
5 views

Where is the sql exception caught in this statement? [migrated]

public void xxx() throws SQLException ...
-1
votes
1answer
22 views

Is it possible to make excluded search with for loop in Java? [closed]

I am trying to calculate all pure strategy Nash equilibrium in a mxn game. It requires to check all pure strategy pairs (m.n pairs). Suppose player 1 has m strategies. Algorithm should start with the ...
-1
votes
2answers
40 views

Analysing Algorithms Big Oh/Complexity theory [duplicate]

I'm revising for my finals and from looking at previous exam papers I have a found a popular question that has came up almost every year, worth a lot of marks. Each year the question is written very ...
1
vote
2answers
71 views

Break and Continue in Structured Programming?

One of the ways to ensure following the structured programming paradigm is by having all control flows having only one entry and one exit point. Does skipping iterations by using break and continue in ...
0
votes
2answers
69 views

How to learn computer science the right way [closed]

I looked through the sites and this seems to be the best place to ask this question. I am sure it has been asked 10000 times but I am looking for a tailored answer to me and my situation. I currently ...
1
vote
1answer
41 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, ...
-1
votes
1answer
37 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
182 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
225 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
293 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
423 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
205 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 ...