The task of hang() method is to hang/freeze the program for certain time (I know there are other ways to freeze a program, but I want to show it by using for loop). But when I am executing this, the first hang() call, below the System.out.print(“Loading”) is taking a certain amount of time and giving a delay, the first call
Tag: java
App crashes when connection is lost while using HttpUrlConnection
i’m making a class that get json data from an external url, it is working fine if there is a connection. also shows an error if there isn’t. the problem is if the connection lost while the class is getting data the app crashes. here is my code: so guys is there any solution to prevent the app from crashing?
Configuring Boomi JMS connector to ActiveMQ Artemis
I’ve been using a JMS connector in Boomi to connect with ActiveMQ Artemis 2.14, but using the client library activemq-all-5.15.11.jar and factory org.apache.activemq.jndi.ActiveMQInitialContextFactory This works, except I’m having issues with the connections creating numerous org.apache.activemq.artemis.core.server.impl.MessageReferenceImpl objects in the heap, which aren’t associated with the actual messages, but rather the ActiveMQ.Advisory.TempQueue. So I’m trying to setup a Boomi JMS connector using
How to get ID fields from table using spring batch
I´m trying to get all fields from a table using spring batch. I got all fields, except the ID fields (primary key e foreign key) Below is my reader: Below is my writer: The others fields comes with success, but the ID fields like transactionId and deposit comes null. I think there is some kind of protection that not permit
Loop through an Arraylist and show objects that fills the conditions Java
I have certain objects stored in an ArrayList. Every object has 5 variables (two strings, two ints and a double). The method I’m trying to write will ask the user to input a value (double). It will …
How create a JSONArray in java
I have 2 java functions: listeFilesHdfs return a list of files that stored in HDFS, for example: If you remark, the files that stored in HDFS there content is a JSON format, for example: I created the below function to call both function above (one return list of files and the second open a path): How can I modify my
How to round off to the closest 5 minute interval if it is 1 or 2 minutes ahead or behind?
I want to round off an Instant / LocalDateTime to its closest 5 minutes interval in Java. Examples: Suppose the time is: 2021-02-08T19:02:49.594 Expected result: 2021-02-08T19:00:00.000 Suppose the time is: 2021-02-08T19:03:49.594 Expected result: 2021-02-08T19:05:00.000 Similarly, if the time is: 2021-02-08T19:56:49.594 Expected result: 2021-02-08T19:55:00.000 Similarly, if the time is: 2021-02-08T19:58:49.594 Expected result: 2021-02-08T20:00:00.000 But if the time is 2021-02-08T19:55:00.000 or 2021-02-08T19:05:00.000
Searching for issues with Sonarcloud API returns none even though they exist
I am trying to get all the sonar report issues from a branch of a private Sonarcloud project. I do this with the following REST call: If I enter this call normally in the webbrowser or with a postman call, I get this response: So I get the full report with the 1 sonar issue, like it’s shown in the
Android Studio – Error Module not specified
i’m a newbie to Android/Java development and purchased a book Java Programming for Android Developers For Dummies, 2nd Edition. This comes with a code samples section http://users.drew.edu/bburd/Java4Android/ (chapter 02_01) I understand the book is a few years old hence so the code samples will be. However, i’m having massive problems getting the code samples to run on Android Studio 4.1.2.
How can I change the default SDK for Netbeans 12.2?
When setting up Netbeans 12.2, one part of the installer lets you select the JavaSDK that you’ll use as the Default. Is there any way to change this later on, like when a new version of the JavaSDK …