51 questions
https://github.com/yabushi/TimeStampCameraThe part I wrote myself ↓ https://github.com/yabushi/TimeStampCamera/blob/4b4c441675a6a5e7d6b2cf1f0448e19b1a115fd7/app/src/main/java/com/example/shigeki/times...
What should I do if I want to know what variables exist or not?Is there any other way than to write an exception like my code?try: myVarexcept NameError: # # Do something.
When we make an exception in Java.try { ... } } catch (IllegalArgumentException e) { someCode();} } catch (SecurityException e) { someCode();} } catch (IllegalAccessException e) { someCode();} } catc...
public class WhatTheShoot { public static void main(String args[]){ try { throw null; } } catch (Exception e){ System.out.println(e instanceof NullPointerException); System.out.println(e instance...
Question 1 public class foo { } public foo SomeFooNULL() { var newFoo = new foo(); if(null == newFoo) { return null; } return newFoo; } public foo SomeFooException() { var newFoo = new foo(); ...
Could you tell me what the problem is in the program below? In the onCreate() method, findViewById() is called, and the return value is null even if you try all the id.I don't know why, but does anyon...
What is the meaning of ArrayIndexOutOfBoundsException? How can I handle this exception?The following source code is an example of where this exception occurs.String[] name = {tom, dick, harry};for(int...
The class itself that you want to use has already thrown an exception to an invalid input value.While trying to create a method and conditional statement that checks with isblabla~() in advance, I tho...
The server has been parsing in JSON format through async asynchronous communication. However, sometimes if the server is being checked or there is a problem with the server, an error appears immediate...
I made it like below, and it works well to the first function that prevents duplicate numbers.For example, if you enter 123 and you have at least one strike,If you repeatedly enter 123 several times, ...
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