storage/logs/laravel.log" could not be opened: failed to open stream: Permission denied
$ chmod -R 775 storage bootstrap/cachestorage/logs/laravel.log" could not be opened: failed to open stream: Permission denied
$ chmod -R 775 storage bootstrap/cacherandom number in range java
(int)(Math.random() * ((max - min) + 1)) + min
Copyjava generate random integer in range
import java.util.concurrent.ThreadLocalRandom;
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = ThreadLocalRandom.current().nextInt(min, max + 1);java max int value
public class Test
{
public static void main(String[] args)
{
System.out.println(Integer.MIN_VALUE);
System.out.println(Integer.MAX_VALUE);
System.out.println(Integer.MIN_VALUE - 1);
System.out.println(Integer.MAX_VALUE + 1);
}
}range of int
TypeName Bytes Range of Values
int 4 -2,147,483,648 to 2,147,483,647java long literal
to declare a Long literal in java, add 'L' to the end of
an integer literal
examples:
12312345514316L
59741316635446100055330L
465414966143LCopyright © 2021 Codeinu
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