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  1. Prepare
  2. Java
  3. Advanced
  4. Java Singleton Pattern
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Java Singleton Pattern

Hacker
Rank
Score
dangvusidan
82575
flag of Vietnam
00.00
muhcine_slimani
82575
flag of Morocco
00.00
kotaanilkumar191
82575
flag of India
00.00
Takatoejji
82575
flag of Algeria
00.00
miguel_a98
82575
flag of Spain
00.00
pratikshaghosh21
82575
flag of India
00.00
sumitgiri1031
82575
flag of India
00.00
pthanhphuongtkd1
82575
flag of Viet Nam
00.00
shiviishiv7
82575
flag of India
00.00
attglobals
82575
flag of United States
00.00
revsuresh
82575
flag of India
00.00
Sgunjawate31788
82575
flag of India
00.00
ponu2012
82575
flag of United States
00.00
luizfelipe_lace1
82575
flag of Brazil
00.00
tiwarihrcs19
82575
flag of India
00.00
sahilsingh7735
82575
flag of India
00.00
baranikumarbaru1
82575
flag of India
00.00
mohakpachpor
82575
flag of India
00.00
h14706
82575
flag of Vietnam
00.00
aru45584
82575
flag of India
00.00
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