Java Singleton Pattern

Hacker
Rank
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80902
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80902
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80902
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80902
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80902
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80902
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80902
flag of United States
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80902
flag of United States
00.00
80902
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00.00
80902
flag of India
00.00
80902
flag of India
00.00
80902
flag of India
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80902
flag of India
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80902
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80902
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