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

Hacker
Rank
Score
shwethapj9
76149
flag of India
00.00
asanadam00
76149
flag of Turkey
00.00
deguphi
76149
flag of United States
00.00
hepzibaa
76149
flag of
00.00
oscartejada31
76149
flag of
00.00
narank74
76149
flag of Nepal
00.00
ducntfx21320
76149
flag of Viet Nam
00.00
miraalmamun
76149
flag of United States
00.00
shekharchakrawar
76149
flag of India
00.00
h99220041895
76149
flag of India
00.00
db2138
76149
flag of India
00.00
prashath6789
76149
flag of India
00.00
gk215448
76149
flag of India
00.00
melsayedahmed
76149
flag of Egypt
00.00
mailforpraveenk
76149
flag of India
00.00
tuandatqn95
76149
flag of Vietnam
00.00
sanganavenkates1
76149
flag of India
00.00
sachin_dhembre
76149
flag of India
00.00
chintuvinaykuma1
76149
flag of India
00.00
NengTesla
76149
flag of Indonesia
00.00
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