All Questions
17 questions
4votes
3answers
238views
Seconds into readable time information
I had an exercise to solve, written in German. I try to translate it: Write a program that takes an amount of seconds. The program than has to output the number of years, days, hours and seconds. My ...
- 2,164
4votes
3answers
103views
Java class that does calculations between dates
I am writing a simple java class for date calculations, I am aware there are probably better ones out there, but I want to do this myself for practicing purposes. I am planning on expanding this class ...
- 141
1vote
4answers
228views
Java Date class- switches and ifs in the constructor
I'm a beginner i have an assignment to write a Date class (as part of a bigger project). in my question i focus on the constructor. here's some background: the given guidelines are that the date is ...
2votes
1answer
458views
Day finder program, inputs date, outputs day of the week
I have made this simple program that computes the day the week for the years 1700 - 2399. I am looking for suggestions/ improvement advice. I am not well versed with OOP and would like suggestions on ...
4votes
2answers
2kviews
Matching a time interval using regex
What I needed to do was check whether a given string matches a certain pattern. The pattern is this: 00:00:00,000 --> 00:00:00,000 Things to keep in mind: ...
- 141
4votes
3answers
153views
Computing the name of the month
I created the following program that transforms a numerical month into the corresponding textual month. I initially calculated the starPoint and ...
- 353
4votes
1answer
2kviews
12/24h Time format converter
I am really new at this and I was wondering if there is a more efficient way of writing this code, which converts time format to 12-hour from 24-hour format, and vice-versa. For example ...
- 51
4votes
5answers
2kviews
Leap year check in Java
I'm looking for 3 different answers: Using Java predefined functions Converting from string to number Without the above two (any other types of answers are also welcome) I am looking for improving my ...
- 325
12votes
4answers
12kviews
Compute the day of the year
I am new to programming. I saw this Java code with a lot of if-else statements that is copied below. People say that such a code ...
- 325
2votes
3answers
7kviews
Find number of whole weeks between months in the same year
I wrote a class to return the number of whole weeks between months in the same year. I need suggestions on my code. ...
4votes
2answers
2kviews
Calculate amount of seconds from user birth date to beginning of current year
I'm trying to make a program where user will put in his birth date in DD/MM/YYYY form and he will get back amount of seconds between his birth day and 01/01/2015. It counts with fact that different ...
4votes
1answer
2kviews
Using swing and creating JPanel
I watched bunch of videos about swing and GUI in general and created my first component (correct me if it is not one). JPanel class: ...
- 491
9votes
2answers
78kviews
Converting seconds to hours, minutes and seconds
The following question was taken from Absolute Java 5th ed. by Walter Savitch: Write a program that outputs the number of hours, minutes, and seconds that corresponds to 50,391 total seconds. The ...
- 351
7votes
1answer
10kviews
Simple stop watch
I'd like my code to be solid and good. That's why I want someone a little more experienced to give me some feedback so I can improve. Here is the code for a simple stop watch that I created. I feel ...
7votes
3answers
26kviews
Alarm clock with "ringing" functionality
I have a question regarding a program that is to run an alarm clock and display the time (HH:MM AM/PM) and also trigger the alarm and display "ringing" at 12:00 AM. I am a beginner in Java and I am a ...
