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Dr-John Zoidberg
Random EN
28 February 2021 0:00
New Year's Promotion at JavaRush!
Friends! We are happy to share the good news: from December 8 to December 22, you can purchase an annual subscription to JavaRush at half price. Details on the promotion page - Hurry up! On December 22, prices will return to normal. PS: The
Эллеонора Керри
Random EN
28 February 2021 0:00
Coffee break #97. Be careful with the Java Optional method. How to display and sum elements from a list in Java
Source: object is “a container object that may or may not contain a non-null value.” Optional first appeared in Java 8 and has been used by the SpringBoot team in many projects. The most common use of is in a Spring Data project. Let's look
Эллеонора Керри
Random EN
28 February 2021 0:00
Video Weekend #99. Let's get acquainted with the Maven build system, start developing open source and hobby projects, watch how HR parses an IT specialist's resume
Since Apache Maven is the most famous Java framework for automating project builds, Maven skills are a must for any professional developer. If you're not yet familiar with Apache Maven, today is a good time to get a first look at how this b
Эллеонора Керри
Random EN
28 February 2021 0:00
Coffee break #98. New Nullpointer exception in Java 17. What does mean in Java?
Source: Every Java developer should know about the existence of a new or NPE in Java 17. This is one such situation that you should always try to prevent. Sometimes Nullpointer means you need to debug your code to find a small bug. An NPE i
Эллеонора Керри
Random EN
28 February 2021 0:00
Video Weekend #100. We study the Iterator pattern and the Iterable interface, ensure the security of Java applications, practice pair programming and debunk the fears of juniors
Developer Sergey Arkhipov explains what the Iterator pattern and the Iterable interface are in Java. Using specific examples, you will learn what Iterator is for and how to use it. Sergey also covered the issue of deleting and inserting ele
Эллеонора Керри
Random EN
28 February 2021 0:00
Junior vacancies in Moscow for December 11
Judging by the number of open vacancies, Moscow companies are actively developing and are looking for a huge number of specialists. Including beginners. This cannot but please those JavaRush students who are close to finishing their studies
Эллеонора Керри
Random EN
28 February 2021 0:00
Coffee break #99. How to copy files from one directory to another in Java. Strings in Java
Source: I've been programming in Java for a long time, and you won't believe it, but before Java 7, there was no method for copying files in the Java API. Our only options were to write it ourselves, using FileInputStream, FileOutputStream
Эллеонора Керри
Random EN
28 February 2021 0:00
New Android vulnerability modifies an app without affecting its signature
The Belgian firm has published on a vulnerability (CVE-2017-13156) discovered in Android, nicknamed Janus. The vulnerability allows attackers to modify application code without affecting the signature. When developing an . During the update
Maks Panteleev
Random EN
28 February 2021 0:00
Road from ZERO to first offer
Warm greetings, gentlemen, future and present ZHAVA developers! This post will not be your typical success story, there will be no sly boasting or heroic stories of overcoming adversity. As my representation of getting my first job, I decid
Эллеонора Керри
Random EN
28 February 2021 0:00
Video Weekend #102. We listen to the story of a JavaRush graduate, study the algorithm for generating fractal noise, write a game in Java in 100 lines of code and evaluate our chances of finding a job in a Canadian IT company
JavaRush graduate Maxim Panteleev shared his story of training and subsequent employment as a Java developer. In his video, the author examines pressing issues that every beginner usually faces when learning Java or another programming lang
Эллеонора Керри
Random EN
28 February 2021 0:00
Coffee break #101. 19 Essential Java Interview Questions and Short Sample Answers
Source: Here are some questions and answers that often come up in Java interviews. The JDK is a software development kit that includes the tools and libraries needed to develop Java applications. JRE refers to the Runtime Environment in whi
Эллеонора Керри
Random EN
28 February 2021 0:00
Video weekend #103. We find out what soft skills a junior needs, repeat arrays and evaluate our knowledge in a test interview
The head of client development at X5 Group, Andrey Smirnov, recently gave a presentation in Tver on the topic of soft skills interviews. He explained what soft skills requirements are imposed depending on the candidate’s professional level
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