Java Singleton Pattern

Hacker
Rank
Score
81485
flag of United States
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81485
flag of United States
00.00
81485
flag of India
00.00
81485
flag of India
00.00
81485
flag of Viet Nam
00.00
81485
flag of Mongolia
00.00
81485
flag of United States
00.00
81485
flag of United States
00.00
81485
flag of India
00.00
81485
flag of United States
00.00
81485
flag of Brazil
00.00
81485
flag of India
00.00
81485
flag of India
00.00
81485
flag of India
00.00
81485
flag of India
00.00
81485
flag of United States
00.00
81485
flag of United States
00.00
81485
flag of India
00.00
81485
flag of India
00.00
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