Why does my android application keep stopping?
This application only has front end work. I worked really hard on it but on running it keeps stopping. Here is the stacktrace 2021-05-26 07:13:37.288 3836-3836/? I/le.instagramap: Late-enabling -…
Category: Java
Java Questions and Answers
OutputStream as a method parameter Java
Reference Codewars Problem: https://www.codewars.com/kata/52dc4688eca89d0f820004c6/java Context: The java version of this kata sometimes passes an OutputStream and sometimes doesn’t pass one to your …
Adding rows, columns, diagonals in a 2D array (java)
import java.util.Scanner; class Main { public static void main(String args[]) { int i, j; Scanner reader = new Scanner (System.in); int array[][] = new int[4][4]; System.out….
Why does Gateway with void return is making async flow but it does sync when it return value? Spring Integration
I am new with Spring Integration. I was making some tests I realized the behavior of my app changes when the Gateway return void or return String. I’m trying to process the flow in the background (…
Java return outside of a for each loop
Simple dummy question … I’v created a method who send me a object after a for loop. The for loop make a return of my object in question. But Java ask me to send a return in the bottom of the method. …
Cannot delete Shared Preference that is set in another Activity Android
I am wanting to delete my authToken that was set on the LoginActivity but I cannot from my LogoutFragment which is part of the the MainActivity. Wondering where I could be going wrong. I seen a few …
Spring Mockito @BeforeAll mocking logic works on 1 test only
I have a problem with understanding why the logic mocked inside @BeforeAll works, but only for the first test. They work fine separately, copying the identical logic to both tests will produce the …
Find Word Count”- My code doesn’t work properly
“Find Word Count”- Instructions: Given an input string (assume it’s essentially a paragraph of text) and a word to find, return the number of times in the input string that the word is found….
How to minimize the code here which converts date string into UTC
Converting this string “2021-04-14T20:51:21.527Z” into a UTC value. The following works, but is very verbose… protected final LocalDateTime dateTimeOfLoss = LocalDateTime.ofInstant(Instant….
try catch with a do while loop
Using my code I am trying to tell the user to enter not to enter a string until the user an integer but while running the program it is infinite. public static void main(String[] args) { int age = …