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

Hacker
Rank
Score
cpvalcourt
01
flag of United States
15.00
quentin_derory
01
flag of France
15.00
vlatko_dim
01
flag of Serbia
15.00
rahul_ramraje_it
01
flag of United States
15.00
PoojaGanage
01
flag of India
15.00
doron_sekler
01
flag of Israel
15.00
joao_pedro
01
flag of Portugal
15.00
balas0011
01
flag of India
15.00
sebastianh
01
flag of Sweden
15.00
Rohirrim
01
flag of Hungary
15.00
abinovarghese
01
flag of India
15.00
nishgupta
01
flag of India
15.00
odubueno
01
flag of Brazil
15.00
stainerd
01
flag of United States
15.00
sara_w
01
flag of Czech Republic
15.00
manasachannagiri
01
flag of United States
15.00
vinaykrprajapat
01
flag of India
15.00
satuomainen
01
flag of Finland
15.00
wolny
01
flag of Poland
15.00
ryanxclancy
01
flag of Canada
15.00
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