2D array

2d array

1 Bash

nums=(0 1 2)
cols=(ID Name Address)
declare -A MEMBER0=([ID]=102 [Name]="Yonezawa Akinori" [Address]="Naha, Okinawa")
declare -A MEMBER1=([ID]=202 [Name]="Murata Makoto" [Address]="Sendai, Miyagi")
declare -A MEMBER2=([ID]=104 [Name]="Sakamura Ken" [Address]="Kumamoto, Kumamoto")


for i in ${nums[@]}; do
	for c in "${cols[@]}"; do
		ref="MEMBER$i[$c]"
		echo "$ref = ${!ref}";
	done
done
# MEMBER0[ID] = 102
# MEMBER0[Name] = Yonezawa Akinori
# MEMBER0[Address] = Naha, Okinawa
# MEMBER1[ID] = 202
# MEMBER1[Name] = Murata Makoto
# MEMBER1[Address] = Sendai, Miyagi
# MEMBER2[ID] = 104
# MEMBER2[Name] = Sakamura Ken
# MEMBER2[Address] = Kumamoto, Kumamoto

nums=(0 1 2)
cols=(ID Name Address)
declare -A r0=([ID]=102 [Name]="Yonezawa Akinori" [Address]="Naha, Okinawa")
declare -A r1=([ID]=202 [Name]="Murata Makoto" [Address]="Sendai, Miyagi")
declare -A r2=([ID]=104 [Name]="Sakamura Ken" [Address]="Kumamoto, Kumamoto")
declare -A MEMBERS

for i in ${nums[@]}; do for c in "${cols[@]}"; do
	ref="r$i[$c]"; MEMBERS[$i,$c]=${!ref}
done; done

echo ${MEMBERS[0,ID]}
echo ${MEMBERS[0,Name]}
echo ${MEMBERS[0,Address]}
echo ${MEMBERS[1,ID]}
echo ${MEMBERS[2,ID]}
# 102
# Yonezawa Akinori
# Naha, Okinawa
# 202
# 104

2 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]]
*/

3 JavaScript

var arr = [[1,2], [3,4], [5,6]];

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());

4 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
        )
)
*/

5 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']]

6 Ruby

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"]]

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