View Compilation Error

1_728_5428_17226.cpp:1:1: error: 'import' does not name a type
 import java.math.BigDecimal;
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1_728_5428_17226.cpp:2:1: error: 'import' does not name a type
 import java.math.BigInteger;
 ^
1_728_5428_17226.cpp:3:1: error: 'import' does not name a type
 import java.util.HashMap;
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1_728_5428_17226.cpp:4:1: error: 'import' does not name a type
 import java.util.HashSet;
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1_728_5428_17226.cpp:5:1: error: 'import' does not name a type
 import java.util.Iterator;
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1_728_5428_17226.cpp:6:1: error: 'import' does not name a type
 import java.util.Map;
 ^
1_728_5428_17226.cpp:7:1: error: 'import' does not name a type
 import java.util.Scanner;
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1_728_5428_17226.cpp:8:1: error: 'import' does not name a type
 import java.util.Set;
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1_728_5428_17226.cpp:10:1: error: expected unqualified-id before 'public'
 public class Main {
 ^