I’m just studying Linkedlist topic and trying to implement different functions like remove, add and get. Here is my implementation of get method to get the value of the element from double linked list….
JMS client to ActiveMQ at server on Red Hat JBoss EAP 7.3 in Java
I am writing a Java client to connect to my JBoss EAP 7.3 server running ActiveMQ, and I am getting various connection responses as I alter the parameters. Please help me correct the parameters/code. I get: This is the Java client code in a try catch block attempting to connect: And these are my JNDI tree values in the EAP
How do i get a result from a query? (Java, SQL) [closed]
package sql; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class Main { public static …
java.util.ConcurrentModificationException when removing elements from arraylist even with iterators
I’m trying to delete content from two arrayLists when a particular condition is satisfied. But when the condition satisfied I get Concurrent modification error. After searching on internet I saw the solution to fix this using the iterator concept but that also doesn’t work. Here is the two code variations that I tried: [my code is in Kotlin] 1st variation:
To remove Unicode character from String in Java using REGEX
I am having Input String like below. I want to remove Unicode characters like “u2028” , “u2019” etc if it is present in the comment section.In runtime i don’t know what are all extra characters coming. So what is the best way to handle this? I tried like below which removes unicode characters in the given string. So what is
Data set got merged incorrectly/randomly?
I have a .csv file that looks something like this: 123,1-1-2020,[Apple] 123,1-2-2020,[Apple] 123,1-2-2020,[Beer] 345,1-3-2020,[Bacon] 345,1-4-2020,[Cheese] 345,1-4-2020,[Sausage] 345,1-5-2020,[Bacon] …
Issue with implementing methods from an interface
I’m quite new to Java and I’ve just encountered an issue with implementing methods from an interface. I tried to search this up online but couldn’t find the solution I needed. A simple version of my code is as follows: Interface: Class: I’m currently using eclipse and it is suggesting that I remove the @Overide tag above the method. When
Does it matter if function returns T or object if T can not be inferred from context?
I found the following source code in gson: public
How to add an object during ListIterator (reversed) iteration properly?
I have been asked from my professor to add an object in the middle of an ArrayedList<Employee> using listiterator. I have tried doing in the following way first: But this produces a seemingly infinite number of iterations where li.nextIndex() gets stuck on 5. I have verified this with the debugger and this happens only after li.add(emp_M) is evaluated. I have
How to send PUT/PATCH/DELETE requests in thymeleaf template?
How can I send a DELETE request with thymeleaf? I tried as follows: But all that I get is: org.springframework.web.HttpRequestMethodNotSupportedException: Request method ‘POST’ not supported Answer If you are using Spring Boot 2.2+, you need to enable support for this explictly. Add the following to application.properties: Spring Boot < 2.2 always registers the filter, for Spring Boot 2.2 or higher