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Join the elements of a list, separated by commas
Given the list 
ruby
java
java 1.5 or later
java org.apache.commons
perl
perl
groovy
groovy
scala
scala
python
cpp C++/CLI .NET 2.0
fsharp
fsharp
fsharp
erlang
erlang
ocaml
csharp .NET 3.5
php
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[Apple, Banana, Carrot] produce "Apple, Banana, Carrot"
string = fruit.join(', ')
StringBuffer sb = new StringBuffer();
for (Iterator it = fruit.iterator(); it.hasNext();) {
sb.append(it.next());
if (it.hasNext()) {
sb.append(", ");
}
}
String result = sb.toString();
for (Iterator it = fruit.iterator(); it.hasNext();) {
sb.append(it.next());
if (it.hasNext()) {
sb.append(", ");
}
}
String result = sb.toString();
StringBuilder sb = new StringBuilder(fruit.get(0));
for (String item : fruit.subList(1, fruit.size())) sb.append(", ").append(item);
String result = sb.toString();
for (String item : fruit.subList(1, fruit.size())) sb.append(", ").append(item);
String result = sb.toString();
String result = StringUtils.join(fruit, ", ");
print join ', ', qw(Apple Banana Carrot);
# Longer and less efficient than join(), but illustrates
# Perl's foreach operator, which can be useful for
# less trivial problems with lists
@list = ('Apple', 'Banana', 'Carrot');
foreach $fruit (@list) {
print "$fruit,";
}
print "\n";
# Perl's foreach operator, which can be useful for
# less trivial problems with lists
@list = ('Apple', 'Banana', 'Carrot');
foreach $fruit (@list) {
print "$fruit,";
}
print "\n";
string = fruit.join(', ')
string = fruit.toString()[1..-2]
val result =
((fruit.tail foldLeft (new StringBuilder(fruit.head))) {(acc, e) => acc.append(", ").append(e)}).toString
((fruit.tail foldLeft (new StringBuilder(fruit.head))) {(acc, e) => acc.append(", ").append(e)}).toString
val result = fruit.mkString(",")
print ", ".join(['Apple', 'Banana', 'Carrot'])
String^ result = String::Join(L", ", fruit->ToArray());
let result = String.Join(", ", [|"Apple"; "Banana"; "Carrot"|])
let result = (List.fold_left (fun acc item -> acc ^ (", " ^ item)) (List.hd fruit) (List.tl fruit))
let result = (List.fold_left (fun (acc : StringBuilder) (item : string) -> acc.Append(", ").Append(item)) (new StringBuilder(List.hd fruit)) (List.tl fruit)).ToString()
Result = string:join(Fruit, ", "),
Result = lists:foldl(fun (E, Acc) -> Acc ++ ", " ++ E end, hd(Fruit), tl(Fruit)),
let list = [ "Apple"; "Banana"; "Carrot" ];;
let f str_so_far elem = str_so_far ^ ", " ^ elem in
let str = List.fold_left f list;;
print_string str;;
let f str_so_far elem = str_so_far ^ ", " ^ elem in
let str = List.fold_left f list;;
print_string str;;
using System.Collections.Generic;
public class JoinEach {
public static void Main() {
var list = new List<string>() {"Apple", "Banana", "Carrot"};
System.Console.WriteLine( string.Join(", ", list.ToArray()) );
}
}
public class JoinEach {
public static void Main() {
var list = new List<string>() {"Apple", "Banana", "Carrot"};
System.Console.WriteLine( string.Join(", ", list.ToArray()) );
}
}
$string = implode(", ", $fruits);
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