Easiest way to convert the result of Throwable.getStackTrace() to a string that depicts the stacktrace?
In the jsp i am passing the data as json,as in the controller method i am trying to map the data to Personbean object using @RequestMapping. But its throwi
I am working on spring application. I am having a LinkedHashMap<Integer, List<MyDTO>> object, in the value of the map (i.e,List<MyDTO>) I hav
I have a foreach loop in Java (simplified version here) List<String> names = getNames(); for(String name:names) { doSomething(name); } Is there an
I can't figure out what I'm doing wrong. I'm learning JPA mapping to a relational DB, by following some tutorials on the web, but can't find one that is straigh
I've been getting an error like this for days, but I couldn't find a solution. Can you please help me? What could the problem be caused by? Error : java.lang.Il
I am facing a problem with registration and login flow where it is required to generate an email and get token for verification. I need a service which allows u
When I debug the JdbcTemplate sourcecode use IDEA，the IDE tips me：'Source code does not match the bytecode' Screenshot: and i use mvn to manage m
I want to get time zone through IP Address in JAVA. Actually i have an application which will run at the client machine. I have IP address of client machine
This is a typical java maven project. The run time instance and source code are exactly the same version. I run into the same error "unable to compile condition
What is a method in Java that draws a rectangle given the following: The coordinates of the center of the square The angle of the rectangle from vertical, in d
I got some stupid problem, I don't know what am i doing wrong. I wrote client and server, client is working properly. I checked that output stream works prope
I was doing an assessment for job interview. One of the 3 problems that I had to solve in an hour was finding the maximal value in a grid where you traverse it
I was going through TimeZone page at joda website and I came across this -05:00 EST -05:00 EST5EDT -05:00 Etc/GMT+5 I just wanted to know what does
When calling out the function testFunc(), I am not using the syntax Apples.testFunc(). Yet the code runs successfully. How so? class Apples { publ
public OpenFrame() { openFrame = new JFrame(); loadButton.setBounds(150, 100, 150, 100); loadButton.addActionListener(this); loadButton.setTex
I am using the springdoc-openapi-ui. I have configured the global headers named Authorization. When I execute the API Authorization is not showing in the CURL o
I am using an Adapter to fill a RecyclerView with numerous CardView layouts (horizontally). Each CardView has a Button at the bottom of the layout, which when p
Say I have a class with many of public methods: public class MyClass { public void method1() {} public void method2() {} (...) public void met
I've tried to update Selenium webdriver version and now i cant run my tests because of following exception: Error: Could not find or load main class org.t