How to improve programming skill?

Question

Java

Tell me how to improve programming skills? when I study new material, I read, I fail, I seem to understand, I know how to apply, but I still have the feeling that something remained unread, not fully studied, not deeply studied, even when I read about the topic in 2-3 sources, like be with it?

Answer 1

www.itmathrepetitor.ru/zadachi-po-programmirovaniyu
acmp.ru/?main=tasks
habrahabr.ru/post/44031
habrahabr.ru/post/203796
codeforces.com
uva.onlinejudge.org
www.topcoder.com acm.timus
. en/authedit.aspx
codercharts.com
yodacode.com
quizful.net
java-quizapp.rhcloud.com
codingbat.com
+ Answer questions at the end of each chapter in the book.

Answer 2

On question #1
Think a lot and spend your time on it (yes, take time away from all sorts of comforts and pleasures).
In general - the question is googled. And it was asked on the Internet repeatedly.
But I will highlight the most important in my opinion. What I do everyday.
Below are tips that are universal in relation to languages ​​/ technologies.
It's par for the course, it takes thousands of hours to become an expert.
PS
Count the number of words "think" in this answer and think about why it is mentioned so often.

Answer 3

The skill lies in the correct use of what you have learned, you can know more than another person, but do much worse than him if you do not have practice.
Study in detail what you just read, find code snippets and situations where and how to use it (Google.com)

Answer 4

macode.ru