Lessons

You've reached Level 28

"Hi, Amigo!" "Hi, Bilaabo! So good to see you again. Only your lectures are so good and understandable. Not like this Java Memory Model." "Yes, Bilaabo knows how to choose lessons. Today I'm going to tell you about the switch statement." "I think someone already told me about it." "Ellie did. So, Amigo doesn't want to hear a lesson about the switch statement? Maybe you'll start teaching your own? ..."

"Hi, Amigo!"

"Hi, Amigo!" "We're going to start a more thorough exploration of threads." "The concept of a thread group was introduced to prevent a thread from repeatedly stopping and interrupting every other thread. A thread can only affect other threads in the same thread group. ThreadGroup is a class for managing thread groups. This approach lets you protect threads from unwanted changes ...."

"Hi, Amigo!"

"Let's continue our lesson. What are thread priorities and why are they needed? "In real world problems, the importance of the work being performed by different threads can vary greatly. The concept of thread priority was created to control this process. Each thread has a priority represented by a number from 1 to 10." "10 is the highest priority." "1 is the lowest." "If no priority is given, then a thread get priority 5 (normal) ..."

"Hi, Amigo!"

"Ordinary programmers sooner or later come to grips with the fact that they have many small tasks that need to be performed from time to time." "If you're writing a game, then it's the actions that individual characters perform." "If you're writing a web server, then it's different commands coming in from users: upload a photo, transcode it into the desired format, apply the desired template, etc ..."

"Hi, Amigo!"

"Hi, Amigo!" "Nothing is perfect when it is first created. The same is true of threads. In time, Java's creators became convinced of the shortcomings of the Runnable interface. It didn't support throwing exceptions and didn't make it possible to find out the result of executing tasks…" "The Runnable interface is more suitable for large independent tasks than for small subtasks that you want ..."

"Hi, Amigo!"

"Hi, Amigo!" "Let's continue our lessons on how to google." "Here are some exercises ..:"