I have configured crashlytics as per Firebase Documentation https://firebase.google.com/docs/crashlytics/get-started?platform=android. But crash reports not gen
ex: abc:1234567,cd:2345678,efg:3456789012 expected outcome 2345678 I tried (?!abc)\d{7,7} my result: 1234567
I have three test case in different java file and want to invoke it using tomcat server by clicking html button. This is my html <form action="case1" method=
I have three test case in different java file and want to invoke it using tomcat server by clicking html button. This is my html <form action="case1" method=
I have a simple application it fails to load with the below error APPLICATION FAILED TO START Description: An attempt was made to call a method that does not ex
I saw several posts based on calling variables of one constructor to another. But I am beginner using visual studio to code, we are not using any "main" method.
I saw several posts based on calling variables of one constructor to another. But I am beginner using visual studio to code, we are not using any "main" method.
I'm using MySQL Connector/J (version 8.0.28) as the driver on client side. Following is part of my code for test purpose: PreparedStatement ps = null; String ur
I have an entity called packet, I want to update an attribute in all instances of that entity. The attribute I want to update is the price of the packet by a gi
I encountered handful of guides to creating spring data jpa projects and people configured persistence layer using properties file and javaconfig both. If we on
I encountered handful of guides to creating spring data jpa projects and people configured persistence layer using properties file and javaconfig both. If we on
One of my friends asked me about a coding challenge that their lecturer gave them as an exercise. I got a solution working to solve it. But I think the solution
To start off, I am still a student and trying to learn things, but I am quite stuck on how to get all the dependencies of each package from Maven. Initially, I
I'm trying to use spring cloud stream to solve the following problem: I have a class that calls two separated functions (Function A and B), both of those funct
This is supposed to be an investment value calculator using JavaFX, and I got most of the code working. I just can't get it to properly show the future value am
I always thought Java uses pass-by-reference. However, I've seen a blog post that claims that Java uses pass-by-value. I don't think I understand the distinctio
Does JFR support Async I/O? I am using Java Flight Recorder (on HotSpot 1.8.0_144) + Mission Control to profile an app. On the File IO tabs of Mission Control,
Got a simple project setup, my goal is to load a jsp file: I got my Controller with a RequestMapping for a jsp file. package com.example.registrationFrom.contro
I have 2 Spring Boot applications let's say named App1 and App2. There is a table in oracle DB with status column. when App1 runs a scheduler, it will update t
How can implement iteration done with multiple loops using Java 8 ? I need to check if one of the nested objects contains the specified String i.e. "BA" or not?