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bro
Random EN
28 February 2021 0:00
Enter the date using the keyboard in the format “08/18/2013” Display this date in the form “AUG 18, 2013”.
Tell me why it doesn’t compile on the server? input and output: 12/25/1658 DEC 25, 1658
Эллеонора Керри
Random EN
28 February 2021 0:00
Who is a QA engineer and how to become one
Now many people dream of finding a job in IT due to the relatively high salaries in this field, as well as the stable demand for such specialists in the labor market. Most often, these dreams are dashed by the need to obtain specialized edu
zor07
Random EN
28 February 2021 0:00
Level 21. Answers to interview questions on the level topic
List class methodsObject equals() hashCode() toString() getClass() notify() notifyAll() wait() wait(long timeOut) wait(long timeOut, int nanos) equalsWhy are & methods needed hashCode? Used to compare objects. The purpose of the method equa
zor07
Random EN
28 February 2021 0:00
Level 22. Answers to interview questions on the level topic
How to properly compare two strings in Java? The method equalschecks whether the strings match. boolean equals (Object o)
zor07
Random EN
28 February 2021 0:00
Level 23. Answers to interview questions on the level topic
What are the inner classes? Nested classes are divided into two types: static and non-static. Nested classes declared as static are called static nested classes. Nested non-static classes are called inner classes. What does an anonymous inn
Pegas
Random EN
28 February 2021 0:00
Interrupte thread
I sketched two classes that inherit from . They have a simple filling (Thread.sleep and sout). I was looking into interrupting threads using and . For some reason, the interruption does not occur, but the program execution goes into a loop
zor07
Random EN
28 February 2021 0:00
Level 24. Answers to interview questions on the level topic
What do anonymous inner classes compile to? Anonymous inner classes are compiled into внешнийКласс$n.class. In place of the outer class, accordingly, is the name of the framing class, within which the anonymous inner class is described. In
pandaFromMinsk
Random EN
28 February 2021 0:00
A Guide to Managing Java Memory (and Saving Your Code)
As a developer, you spend countless hours cleaning out bugs from a Java application and getting performance where it needs to be. During testing, you notice that the application gradually runs slower, and in the end it completely crashes or
zor07
Random EN
28 February 2021 0:00
Level 25. Answers to interview questions on the level topic
What are all the states of the object Thread? NEW RUNNABLE BLOCKED WAITING TIMED_WAITING TERMINATED What states can a thread go to when entering a block synchronized? RUNNABLE BLOCKED In RUNNABLE, if the block of code marked synchronizedis
ColdDeath
Random EN
28 February 2021 0:00
Connecting the Jackson library in level 33
Hi all! Reached level 33, lectures on JSON. The lecture provides a link to download this framework, but describes how to connect it. " " The link will take you to a page with 3 elements: It’s not clear which one to download. Most likely eve
zlaylink
Random EN
28 February 2021 0:00
Selection of sites to hone your programming skills
Codewars Codewars is an excellent service for strengthening programming skills in Ruby, JavaScript, Java, Python, Clojure, CoffeeScript, C#, Haskell. Both algorithmic problems and practical problems associated with design patterns are prese
LenaR
Random EN
28 February 2021 0:00
How to become a Java programmer, not go crazy from a lot of information, fall in love with programming and live a normal, happy life?
Hello everyone, my name is Lena and I want to become a Java programmer. I made this decision in December 2015. I knew nothing about programming, not even how to declare a variable in any programming language. I didn’t know programmers, I di
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