Employers: discover CodinGame for tech hiring
EVENTS
UPCOMING
PAST
SOLO
PUZZLES
CODE GOLF
OPTIMIZATION
MULTI
LEADERBOARDS
CLASH OF CODE
BOT PROGRAMMING
CODING ESCAPE
COMMUNITY
CONTRIBUTIONS
LEARN
DISCORD
FORUM
LIVE STREAMS
BLOG
Log In
Sign Up
Java Streams CheatSheet
devv
6,262 views
Streams
Effectively final variable.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
// {
class Main {
public static void main(String[] args) {
// }
//Incorrect
for (int i = 0; i < 10; i++) {
new Thread(() -> {
System.out.println("i = " + i); // Does not c
ompile!
}).start();
}
// {
}
}
// }
Run
1
2
3
4
5
6
7
8
9
10
11
12
13
// {
class Main {
public static void main(String[] args) {
// }
for (int i = 0; i < 10; i++) {
int j = i; //effectively final
new Thread(() -> System.out.println("i
= " + j)).start();
}
// {
}
}
// }
Run
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
// {
class Main {
public static void main(String[] args) {
// }
//Incorrect
for (int i = 0; i < 10; i++) {
int j = i;
new Thread(() -> System.out.println("i = " + j
)).start();
j++;
}
// {
}
}
// }
Run
13
Create your playground on Tech.io
This playground was created on Tech.io, our hands-on, knowledge-sharing platform for developers.
Go to tech.io
Suggested playgrounds
ABOUT US
CAREERS
PRIVACY
FAQ
The #1 tech hiring platform
SCREENING
INTERVIEWING
ABOUT US
CAREERS
PRIVACY
FAQ
Facebook
YouTube
Twitter
LinkedIn
FR
EN
