In my last project, there was a requirement for throwing exceptions when the request body contains extra parameters. If the request will be like { "test":"bo
I am working on spring-boot project Code is working fine until I add javascript , bootstrap and CSS path in list-todos.jsp but after I add them and hit URL "htt
public class ArrayPQK<P extends Comparable<P>, T> implements PQK<P, T> { int maxsize; int size; int head,tail; Pair<P, T>[] nodes; publi
I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals()
I'm using android studio to connect to a Microsoft SQL Server and I can't use the JDBC for JDK 17. It just appears with the following error message: 'com.androi
The default algo for RandomGenerator ie. L32X64MixRandom as of JDK 18 (available since 17), generates the same number each time on individual invocations. jshel
I have this error "Unable to get connection, DataSource invalid: "java.sql.SQLException: No suitable driver found for /Users/testdb.db" when trying to select q
Say we have a select query like select a.col1,a.col2,a.col3,b.col1,b,col2,c.col1 from a, b, c where a.col1(+)=b.col2 and b.col3(+)=c.col2 In mybatis xml we hav
I have an array of bytes of a JAR file and I need to load all the classes from this array. How can I do this without converting this array to a file?
I am writing code that lets the user enter, search for and remove participants. Right now I have the JFrame that has a JMenu on it with a few JMenuItems. When I
I have a Java interface with several implementing classes. Each implementation class needs its own associated (sub)template. At runtime I add a collection (Li
My app offers the possibility to launch it through as many widgets as wanted by the user. To determine which widget trigerred the launch, I use an extra paramet
I'm trying to add an item to the ArrayList in a certain order Iterator<Rating> it = arr.iterator(); while(it.hasNext()){ Rating o = it.next(); int
So for this problem, my function is supposed to return the top-10 list of avengers with the most appearances (in decreasing order). In the Avenger class it is
How do I check if double is NEGATIVE_INFINITY and not POSITIVE_INFINITY? There is only one method in Double class isInfinite() which checks whether the double i
For example, I have someFile.jar. I can run it simply using java -jar someFile.jar. But I want to create some files (for example .deb file) to install this jar
I use Spring MVC (no Spring Boot) with HATEOAS in order to get HAL-FORMS with Affordance response like this: "_links": { "index": { "hre
I have set up in-app billing on an Android app (java). When I call launchBillingFlow on the BillingClient: BillingFlowParams billingFlowParams = Billing
package Multiplemethods; import java.util.stream.DoubleStream; public class TimeOffice { public static void main(String args[]){ //instance variables dou
I have created a standard Google Maps Activity in my app in Android Studio and the map works as expected. My Activity is called 'NativeMap' and then the activit