2D array

2d array

1 Java

ArrayList<Object> list = new ArrayList<Object>();
list.add(new ArrayList<Object>(Arrays.asList("102", "Yonezawa Akinori", "Naha, Okinawa")));
list.add(new ArrayList<Object>(Arrays.asList("202", "Murata Makoto", "Sendai, Miyagi")));
list.add(new ArrayList<Object>(Arrays.asList("104", "Sakamura Ken", "Kumamoto, Kumamoto")));
System.out.print(list.toString());
/*
[[102, Yonezawa Akinori, Naha, Okinawa], [202, Murata Makoto, Sendai, Miyagi], [104, Sakamura Ken, Kumamoto, Kumamoto]]
*/

ArrayList<Object> list = new ArrayList<Object>(Arrays.asList((Object)
  new ArrayList<Object>(Arrays.asList("102", "Yonezawa Akinori", "Naha, Okinawa")),
  new ArrayList<Object>(Arrays.asList("202", "Murata Makoto", "Sendai, Miyagi")),
  new ArrayList<Object>(Arrays.asList("104", "Sakamura Ken", "Kumamoto, Kumamoto"))
));
System.out.print(list.toString());
/*
[[102, Yonezawa Akinori, Naha, Okinawa], [202, Murata Makoto, Sendai, Miyagi], [104, Sakamura Ken, Kumamoto, Kumamoto]]
*/

2 Javascript

var rows = [
	["102", "Yonezawa Akinori", "Naha, Okinawa"],
	["202", "Murata Makoto", "Sendai, Miyagi"],
	["104", "Sakamura Ken", "Kumamoto, Kumamoto"]
];
for(i in rows) console.log(rows[i].toString());
// 102,Yonezawa Akinori,Naha, Okinawa
// 202,Murata Makoto,Sendai, Miyagi
// 104,Sakamura Ken,Kumamoto, Kumamoto

var rows = new Array();
rows.push( ["102", "Yonezawa Akinori", "Naha, Okinawa"] );
rows.push( ["202", "Murata Makoto", "Sendai, Miyagi"] );
rows.push( ["104", "Sakamura Ken", "Kumamoto, Kumamoto"] );
for(i in rows) console.log(rows[i].toString());

3 PHP

$arr = array(
  array("102", "Yonezawa Akinori", "Naha, Okinawa"),
  array("202", "Murata Makoto", "Sendai, Miyagi"),
  array("104", "Sakamura Ken", "Kumamoto, Kumamoto")
);
echo "<xmp>";
print_r($arr);
echo "</xmp>";
/*
Array
(
    [0] => Array
        (
            [0] => 102
            [1] => Yonezawa Akinori
            [2] => Naha, Okinawa
        )

    [1] => Array
        (
            [0] => 202
            [1] => Murata Makoto
            [2] => Sendai, Miyagi
        )

    [2] => Array
        (
            [0] => 104
            [1] => Sakamura Ken
            [2] => Kumamoto, Kumamoto
        )
)
*/

4 Python

arr = [
  ["102", "Yonezawa Akinori", "Naha, Okinawa"],
  ["202", "Murata Makoto", "Sendai, Miyagi"],
  ["104", "Sakamura Ken", "Kumamoto, Kumamoto"]
]
print(arr)
# [['102', 'Yonezawa Akinori', 'Naha, Okinawa'], ['202', 'Murata Makoto', 'Sendai, Miyagi'], ['104', 'Sakamura Ken', 'Kumamoto, Kumamoto']]

import pprint
arr = [
  ["102", "Yonezawa Akinori", "Naha, Okinawa"],
  ["202", "Murata Makoto", "Sendai, Miyagi"],
  ["104", "Sakamura Ken", "Kumamoto, Kumamoto"]
]
pprint.pprint(arr)
# [['102', 'Yonezawa Akinori', 'Naha, Okinawa'],
#  ['202', 'Murata Makoto', 'Sendai, Miyagi'],
#  ['104', 'Sakamura Ken', 'Kumamoto, Kumamoto']]

5 See also

• array_combine
• print_r
• pprint
• push
• array