I am currently experimenting with a Self-Check in Airport Project. What I would like to do is enter the Time of Departure using the format (hour)h(minute) Example(14h40) I would have to validate this, by checking if the hour value is less than or equal to 23 and the minutes value is less than or equal to 59. If this is
Can you help me to find out the error in this Java Code
import java.util.*; import java.lang.*; public class FindMissingNumbers { public static void main(String[] args) { String input1=”1 2 3 3 5 5″; String[] input2 = input1….
Replace Timestamp in Written Text File
I need to read a file and write it in a new file, the file that I read has it own time stamp, but in the written file I need to replace it with the current time eg( 2020-09-20 19:30 change it to 2020-…
How to instruct the grammar to NOT generate certain methods in the ANTLR listener?
I have this grammar: The listener interface, which ANTLR generates, contains these four methods: Two of them are not needed for me: exitFoo() and enterBar(). Is it possible to tell ANTLR somehow to NOT generate them in the interface? I would actually prefer to find a way to somehow tell the grammar which grammar rules need those enter/exit methods, and
Condition to point out Error in line formatting not being met
I have a program which reads a file and enforces a certain format in every line. If a line has a format error, it prints a line below it indicating which error it was. For each line, From column 1 to …
Using tinylog with two console writers in parallel
I am using https://mvnrepository.com/artifact/org.tinylog/tinylog-api/2.2.0 in our project. I can configure my writer format the following way: But now I need a different output format for some loggers. Is this possible with tinylog? If yes, can someone provide a short example how to do this? Thanks … Answer You can use tags (https://tinylog.org/v2/configuration/#tags): Tagged loggers can be created via TaggedLogger logger
JAVA program that checks if a triangle is scalene, isosceles, equilateral, or not a triangle
I am trying to write java program to see if a triangle is scalene, isosceles, equilateral or not a triangle. With the integers I used it is supposed to be not a triangle (1, 1, 30). But I keep getting scalene and not a triangle together. Any help is appreciated! Thank you! Answer You should check for not a triangle
How to convert an xml into a json using gson library
I have to convert a XML using gson library into a JSON i haven´t found how to do it using gson library(java) Answer You could use Jackson to do this: import these libraries: then do this in your class:
com.google.firebase.database.Query cannot be cast to com.google.firebase.database.DatabaseReference
Hi I’m implementing a simple search where it will filter based on if the text is the same as the record in the database but I’m having this error could someone help me? Using equalsTo I can’t open the fragment it just breaks when trying to open the fragment, what am I doing wrong? Any help is welcome. Thanks in
Finding 4 consecutive same value integers in an unsorted array – Java
I’ve looked all around but could not find someone who has done this in java for some reason. I need to make a section of code that takes an array of single spaced integers and determines whether or …