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Posts tagged java
The problem I am working on a simple drawing app for Android. I have a custom view on which the user can draw. This means that a lot of data (a list of points) is generated in this View. I want t...
I'm using SimpleDateFormat to parse a string containing a date/time, but the result has a different date, hour, minute, second and millisecond: SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM...
I've got this sample regex: Pattern p = Pattern.compile("(?:([aeiou]+)[0-9]+|([123]+)[a-z]+)\\W+"); It basically has the following parts: one or more lowercase vowels ([aeiou]+), followed by one ...
I had build an application using following source code (following the steps). package com.decibal.level; import androidx.appcompat.app.AppCompatActivity; import android.media.MediaRecorder; ...
I know I can change the font of each cell individually by overriding getCellRenderer(row, col) in JTable but I want to be able to change the font of an entire column at once and, ideally, have the ...
I am trying to change the font type and size in a JTable cell. Ive looked at tons of posts and while most don't produce stack traces, they don't seem to do anything either. Here is the code I curr...
I have tried many different ways to do this with apache but the server seems to not be receiving the data. Stacktraces are not being printed so I can only assume I have the request set up wrong for...
Consider the following code: public class OnlineShoppingService { @Transactional public void cancelOrder(String id) { if (shipmentRepository.findShipmentForOrder(id) != null) { ...
I am a noob Java programmer. I want to create a simple login page with just username and password. So I have to combine Java and HTML. While googling I found that Servlets do the job but people are...
This is a class from my personal code library, and from a package which deals with integer sequences. It implements an interface package org.cheddarmonk.math.sequence; public interface IntegerSequ...
Say I want to implement a very basic group chat application. I use the H2 database, a user class, a controller, and a text file in the Resources folder that stores the chat texts. All texts would b...
The default Swing look and feel can be set in $JAVA_HOME/conf/swing.properties What else can be set in this file? I can't find any other documentation of it.
In the example.xsd file I have an import to an external xsd file that looks like this: <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://test.example.com" ...
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