Edit: I’ve found the problem ( see answer below ) I’m trying to write an Android application to send data to a running termux instance via TCP. In termux, I have netcat listening for incoming TCP connections and printing data to stdout using the command nc -l localhost 8080. In my android app, I h…
Tag: java
how to compare the two names in array list
I am trying to compare the two names in the baby array list if it is true it will return “Two babies in the array are the same” if false will return “No same baby in the array”. But I just can’t get it to work for the findTwoSameBabies method, it is supposed to compare all the na…
voting program not working if theres a tie [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 8 months ago. Improve this question this is my array voting program. it works as i wanted but now i need to a…
Add 2 list of objects and remove duplicate(all but one field different) elements from the final list
I have a object class like I have 2 lists 1st one is like {d1,m1,active}, {d2,m2,active},{d3,m3,acticve} 2nd one {d2,m2,paused},{d4,m4,paused} i want my final list to be like {d1,m1,active},{d2,m2,paused},{d3,m3,active},{d4,m4,paused} My approach was to make a list of commonName{d2} then add both the list{d1,…
Official recommendation / coding style guide on using multiple @throws tags for the same exception in JavaDoc
I just recently found out that one can use multiple @throws tags for the same exception in Javadoc. One of my students used it to document one of his methods in Connect Four: Now my (and his) question: Is there an official style guide or a general recommendation on whether to use a single @throws tag or ̶…
NullPointerException while send a otp mail using springboot
I was trying to send a otp mail using springboot. I have already created a login page from where the mail will be provided to sendotp(). Or you can help by providing code for how to send mail otp using springboot. Here is my code : OtpControllerclass – EmailSenderService class : Wnen I am calling sendOt…
How to read the response of a REST api in spring boot [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 months ago. Improve this question I am making request to a post API using RestTemplate which will give resp…
How to read a static file on Heroku deployment on Spring Boot
How can I solve this situation? I have a static JSON file on my src/main/resources and when I run the code, I use this JSON to create some data, but when I try to deploy on heroku I get this error, probably because they couldn’t find the FUNDOS.json file. Does anyone have an idea on how to solve that? C…
Not able to get query paramter value using android.net.Uri#getQueryParameter
I’m trying to parse query parameters from a URL string using Uri.getQueryParameter(String key) but that method returns null for the passed-in key. That URL that I’m using is /endpoint/path?query1=foo&page[size]=1. I’m able to successfully get the value for query1 parameter but not for pa…
printing all subsequences of an array using recursion in JAVA
The following code for above requirement. However I am not getting proper output. There is problem with input list that I am passing in recursion Answer The problem is not, like you said in your comment, that the list ip keeps elements of the previous function call. The problem is that you don’t create …