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varbandim
Random EN
28 February 2021 0:00
Classes and interfaces. Trying to understand
- review on Habré — on the stack It’s still not clear. Is an interface also a class that just describes additional methods for a class? If so, are the methods of the initial class simply not visible, or can they be used? Or do they need to
ColdDeath
Random EN
28 February 2021 0:00
Serialization in Jackson. How can I explicitly specify which subclass to use?
Having read lectures at level 33, I can’t understand how, when serializing into JSON using Jackson, specify an additional field, type, for classes with the same fields, how to do this in lecture 4. I indicate that I want to enter the type f
Stoyanchez
Random EN
28 February 2021 0:00
Requirements for employment as a Junior
Hello everyone, the age-old question: The essence of the question is this: what you need to know, what to be able to do, what to be familiar with, etc. in order to start looking for a job as a programmer, so that the likelihood of passing t
novago219
Random EN
28 February 2021 0:00
Java Middle in 2.5 months.
Greetings to all readers who thought that in 2.5 months you can really become Middle. I hasten to disappoint you - this is only possible with very hard work on yourself, and I know how everyone wants everything at once - right now and no ot
Эллеонора Керри
Random EN
28 February 2021 0:00
Moscow: latest vacancies Java Junior Developer
Are you just starting to learn programming? Or are you almost ready to “enter IT”? In any case, it is better to be aware of market trends. At least in order to clearly know what requirements companies place on candidates and know in which d
Lam-lam
Random EN
28 February 2021 0:00
How I got a job as a Java programmer
Now it’s the turn of my success story :) On January 25, 2015, I accidentally ended up on Javarash. Before that, I had been looking for myself for about six months, because I understood that working as a manager is the last thing a self-resp
Dr-JohnZoidberg
Random EN
28 February 2021 0:00
The most dangerous code
What piece of code would you say is the most dangerous ever written? There may be different opinions here, but many programmers agree that the danger lies in simplicity. That's why they name the classic fork bomb among the riskiest pieces o
Heavy
Random EN
28 February 2021 0:00
Settled!
And now the great hour has come and I’m publishing the story!))) I’ll probably start it with studying, or rather entering university. As usual, after school you don’t really know anything, you don’t know how, you’re not able to decide anyth
MariaM
Random EN
28 February 2021 0:00
Iterator. Not to forget + removing objects from map
I left myself a few tasks to refresh some topics in my memory after the next levels. There was a problem with the iterator. Let it hang here and remind you how to work with it (if you suddenly need it): And you can also delete objects from
Scolopendra
Random EN
28 February 2021 0:00
Planning training
Hello! I want to tell you about a site that turned out to be very useful for me in conjunction with a story called “What Not to Do.” I got hooked on JavaRush in the spring. When I was at level 5, JavaRush released a promotion - half price s
Эллеонора Керри
Random EN
28 February 2021 0:00
St. Petersburg, October, Junior vacancies
Cloudy weather, the whole city seems to be in a haze... But don’t let the typical St. Petersburg October affect your mood. Programming in this weather is very pleasant. Especially with a cup of coffee and a comfortable keyboard. Not working
WhatNick
Random EN
28 February 2021 0:00
Nested, local and anonymous classes
Good day to all! I began to dig deeper into the types of classes and wrote the code that contains the class. This class contains a method and a static nested class. A static nested class contains a method. The method creates a local class.
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