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  4. Java Singleton Pattern
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Java Singleton Pattern

Hacker
Rank
Score
magoldberg
01
flag of United States
15.00
jppires91
01
flag of Portugal
15.00
quintavalle_chr1
01
flag of Italy
15.00
selvakumarvr
01
flag of United States
15.00
Oxidor
01
flag of Croatia
15.00
paul_morley1337
01
flag of United States
15.00
gouravahuja80
01
flag of India
15.00
gaurav_gupta_cs1
01
flag of India
15.00
mzqu98
01
flag of United States
15.00
veenix07
01
flag of Indonesia
15.00
Khoa190602
01
flag of Vietnam
15.00
nogales_manuel
01
flag of Spain
15.00
klingon
01
flag of India
15.00
dollybasumatary3
01
flag of India
15.00
vigneshwaran_mca
01
flag of India
15.00
simba87g
01
flag of United Kingdom
15.00
mateusz0804
01
flag of Poland
15.00
jakefun7
01
flag of South Africa
15.00
DimitarDamyanov
01
flag of Bulgaria
15.00
dev54321
01
flag of United States
15.00
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