Array length 편집하기

[[category: Array]]
;len
;length
;count
*Count all elements in an array

==Bash==
[[category:bash]]
<source lang='bash'>
systems=("Solar System" "Alpha Centauri" "Barnard's Star")
echo ${#systems[@]}
# 3
echo ${#systems[*]}
# 3
</source>

==C#==
[[category: Csharp]]
<source lang='csharp'>
string[] weekDays2 = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
MessageBox.Show(weekDays2.Length);
// shows 7
</source>

==Java==
[[category: Java]]
<source lang='java'>
String[] weekDays2 = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" };
System.out.println(weekDays2.length);
// shows 7
</source>

==JavaScript==
[[category: JavaScript]]
<source lang='javascript'>
var weekDays2 = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ];
document.write(weekDays2.length);
// shows 7
</source>

==Objective-C==
[[category: Objective-C]]
<source lang='objc'>
NSArray *weekDays2 = [NSArray arrayWithObjects:@"Sun", @"Mon", @"Tue", @"Wed", @"Thu", @"Fri", @"Sat", nil];
NSLog(@"%lu", [weekDays2 count]);
// shows 7
</source>

==Perl==
[[category: Perl]]
<source lang='perl'>
@nums = (1,2,3,4);
print scalar(@nums);
# shows 4
</source>

==PHP==
[[category: PHP]]
<source lang='php'>
$nums = array(1,2,3,4);
echo count($nums);
// shows 4
</source>

==Python==
[[category: Python]]
<source lang='python'>
nums = [1,2,3,4]
print len(nums)
# shows 4
</source>

==Ruby==
[[category: Ruby]]
<source lang='ruby'>
nums = [1,2,3,4]
puts nums.size
# shows 4
</source>

==See also==
*[[length]]
*[[print_r]]
*[[get_last_element]]