I am trying to implement a solution that would be able to capture a picture from the phone’s camera, then operate the picture (do something with it) and repeat this process N times, quickly. I have achieved this using the imageCapture.takePicture method, but when trying to implement the same process for…
Tag: java
Having two for loop in a single Java Method
I have a method shown in the code below, I have a hashmap buffer and queue with several list in both. I want to search a particular message to set it true when it is stable; the message could be in either the buffer or queue. is it alright to lump the two for loop within a single method? or
Sorting a List of Maps dynamically in Ascending and Descending order
I am having Maps inside a List. I need to sort the List based on the input dynamically by passing it as a parameter into the method sortData. It is working as expected, but the problem is that am not able to sort the list in reverse order. I’m getting an Error : The method get(String) is undefined for t…
How to remove the Header from syslog message while using log4j SyslogAppender in Java
I’m using the SyslogAppender of log4j version 2.17.1 (package org.apache.logging.log4j.core.appender) in order to send syslog messages. the message are sent in the next format: I would like to remove the header for the message (remove the “Mar 23 17:32:24 se-demo”) and send only the message …
Application Failed to start The Dependencies of some of the Beans form a cycle… Why?
so I have this section of code in AppConfig.java: if I get rid of the @Lazy it will not start, i have tried to get rid of the constructor and do: same thing, can someone please help me out, I really don’t want to have to use the @Lazy Implementation. here is the error it returns: When getting rid of
Method that takes an int array and a value and returns the index of that value in the array
I’ve spent like an hour trying to figure this one out and I couldn’t. This is an exercise for a Java elective course I am taking and I could use some help. Write a method linearSearch() that takes an array of integers, and an integer value. It should then return the index of the value inside the a…
Java 1.8.0_311 on Solaris 9 returns relocation error, symbols unsetenv and sema_timedwait not found
This is similar to this question about Java 1.6. As the OP of that question, I have a Solaris on a SPARC v9 architecture (physical SUN Fire V445): Calling java from the latest Oracle-distributed Java 8 for SPARC 64-bit gets me this: Looking at libjvm.so more closely, not only unsetenv is missing: I assume tha…
Access denied for user ‘root ‘@’localhost’ ” when connecting to mysql
I try to connect to a mysql database in a spring project and error occurred. The configuration in application.properties is In pom.xml is I’m sure the password is correct. And in cmd I tried following command and it work. So what’s the possible reason? Thx. Answer Remove the spaces on the sides of…
How to write JUnit 5 test cases for the following code?
This is the method to write the JUnit test cases for Inside the LoanApiCallEntity class these are the following: This is the test case I have tried, but it shows an error: The error shown while running the project (mvn test) is – LoanApiCallEntity cannot be returned by getAllApiCallDetails(). Answer get…
get key value Pairs from XML file in Java
I have to get Key and values from XMl File, I am getting Key but not value XML File: Result Should be Like this : usb: 100, charger: 200 Answer The values 100 and 200 are in Textnodes. You can get the content with: laptopElement.getTextContent()