I decode byte array with cbor and I want get a data but if I use cborMap.get("String"), not found a value. byte[] bytecompressed = Base45.getDecoder().decod
I'm trying to analyze a hashmap keys, so I want to make every 3 keys from the hashmap send as one line, and then after sending 3 keys it will put a "\n" so it w
I read some articles written on "ClassCastException", but I couldn't get a good idea on what it means. What is a ClassCastException?
I have a spring boot application with mariaDB, after updating the connector ("org.mariadb.jdbc:mariadb-java-client") from version 2.7.5 to 3.0.3 the datetimes (
custom_email_icon.xml <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item andr
I'm new to java programming, and I currently build a program that updates an information from a user through file handling. For instance, I have this initially
Lately I have been struggling with one problem : I can't ignore io.grpc.ServerInterceptor for some endpoints, in my case the health-check one, provided under th
I've written code in Java using the Osmosis framework and specifically OsmosisReader for Java, for OSM processing. As far as I understand, OsmosisReader can onl
... without additional synchronization ? The Tree class below is meant to be accessed by multiple threads (it is a singleton but not implemented via an enum) c
I have a JFrame in which I have populated some data by stored procedure. Now I want to search the data through a JTextField. I used a RowSorter filter method b
After upgrading esapi from 2.2.0.0 to 2.3.0.0 I'm experiencing an error from this line: esapi.encoder().encodeForSql(new JavaCodec(),"tableName"). Error: java.
I have the following xml file : <?xml version="1.0" encoding="UTF-8"?> <ns:t xmlns:ns="http://www.myaddress.com"> <ns:cs> <ns:c
So I have an agent vehicle and another agent shop of about 10 on GIS. I have another agent warehouse. So I have placed the vehicle at the warehouse and want it
I am having following data in ArrayList in Java. I am trying to sort it by month in a year. It should sort by December, November, and so on. I have tried differ
What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them? What methods/tools can be used to determine the cause
I'm basically refining, completing and trying to compile a test code from a reference book for java beginners. The objective is to create a guessing game wherei
I am running for Java -version & javac -version in my cmd, but it isn't showing any output. It just goes to the next line, and doesn't show anything. Can an
When I try to run test containers I get the following error. The docker machine not found in /root/.sdkman/candidates/gradle/current/bin, /usr/local/sbin, /usr
I got an algorithm to write that set order of an Arrey but in a specific way. Find the lowest number of an array Save it at the start of the new array. Mark in
I have this number of list from the following dom, There are total 10 elements. I want to store the first 5 elements from the list in a variable. How can i do i