View Compilation Error

1_736_3143_28445.cpp:3:1: error: 'import' does not name a type
 import java.math.BigDecimal;
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1_736_3143_28445.cpp:4:1: error: 'import' does not name a type
 import java.math.BigInteger;
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1_736_3143_28445.cpp:5:1: error: 'import' does not name a type
 import java.math.MathContext;
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1_736_3143_28445.cpp:6:1: error: 'import' does not name a type
 import java.math.RoundingMode;
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1_736_3143_28445.cpp:7:1: error: 'import' does not name a type
 import java.util.Scanner;
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1_736_3143_28445.cpp:9:1: error: 'import' does not name a type
 import javax.swing.plaf.synth.SynthSpinnerUI;
 ^
1_736_3143_28445.cpp:11:1: error: expected unqualified-id before 'public'
 public class Main 
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