array loop

#!/bin/bash
 
INDEX=1
 
Code[$INDEX]=code1
Name[$INDEX]=name1
Tenant1[$INDEX]=tenant1
Tenant2[$INDEX]=tenant21
 
INDEX=$(($INDEX + 1))
 
Code[$INDEX]=code2
Name[$INDEX]=name2
Tenant1[$INDEX]=tenant2
Tenant2[$INDEX]=tenant22
 
for i in "${Code[@]}"; do
  printf '%s\n' "$i"
done
 
for i in "${!Code[@]}"; do 
  printf "%s\t%s\t%s\t%s\t%s\n" "$i" "${Code[$i]}" "${Name[$i]}" "${Tenant1[$i]}" "${Tenant2[$i]}"
done