Java Singleton Pattern

Hacker
Rank
Score
76155
flag of India
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76155
flag of Vietnam
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76155
flag of India
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76155
flag of Canada
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76155
flag of India
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76155
flag of Brazil
00.00
76155
flag of India
00.00
76155
flag of Republic of Korea
00.00
76155
flag of India
00.00
76155
flag of India
00.00
76155
flag of India
00.00
76155
flag of India
00.00
76155
flag of India
00.00
76155
flag of India
00.00
76155
flag of India
00.00
76155
flag of Ukraine
00.00
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