I’ve defined a IDL which I am compiling via IDLJ.exe. The IDL contains various different enum types. I notice that after code generation into .java source files the enum types are not actually enums but just regular classes with a set of final constants of the same type of the class. I notice multiple d…
Tag: java
How to use Throughput Shaping Timer from JMETER API using Java code?
enter image description here 1: https://i.stack.imgur.com/sRx3n.jpg**strong text**## I am trying to write the Java program to get the input something like this for multiple rows and process it by creating concurrency thread group which can generate number of threads from tstfeedback function and complete the …
How to correctly use the Threads
I have the following task : Create Class called: ElementsProvider(int n, List elements) that will provide N random elements into given list. Elements Provider will be an thread. Try create 4 instances, each of this instance will add 1000 random elements into the list. start all instances at once and wait unti…
Get values from User and update into mysql database in Springboot Controller
I’m developing a Banking system Project Where User Should be able to create an account in any available branch. Branch Creation will be maintained by admin. I had two tables(Entities) like BranchDetails and AccountDetails. The BranchId Column is the primary key in BranchDetails and Foreign key in Accoun…
reverse a string using recursion with java
I am trying to write a recursion to reverse a String.This is my approach. I dont get why when it reaches the base case, where my a is already empty but I am still able to print out the reversed string. Answer you are not implementing any recursion, you just replaced two halves of a string.
How to insert all enums into database?
We have a list of ENUMS for different purposes. Sample Enum: we use .sql file to save this enums, Problem: We need to write values two times (One in enum and another one .sql statement) It seems not efficient way, Is any other way to save ENUMS to avoid this repetition? Answer From the above mentioned details…
Read String json array and convert to List object
I have the below json string that comes from the db. I have to read the json and return the equivalent java class. Json String: Items class Here I am trying to read the above json string array using ObjectMapper.readValue() method and convert it to List. I have tried with the below code and getting the error …
Clock thread in Java
I have been studying about Java Thread recently. I created this simple clock that will display how many seconds have passed. It looked like this Here is the code for the application above (including 2 classes: Main and ClockPanel) The problem is: if i remove the line System.out.println() (as i commented in th…
kafka Offset commit failing org.apache.kafka.clients.consumer.CommitFailedException
I have written a kafka consumer using spring-kafka library (spring-boot-starter-parent 2.3.4.RELEASE). I have following consumer configuration in my code Following is my listener method : Here I am reading 1 message at a time, apply business logic and use ack.acknowledge() to commit offset, but what I have se…
How to create a functioning program that acts like a calendar with methods that block multiple ranges of dates and return the available dates?
The following is what I was able to complete: For the setBlockDates() method: write a method to block multiple ranges of dates from the dateRange ArrayList. Here I should be able to enter multiple ranges to block, such as ([1,4], [8,11], [17,24]) For the getAvailableDates() method: write a method to return th…