View Compilation Error

0_0_22120329_25547.cpp:1:1: error: 'package' does not name a type
 package aa;
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0_0_22120329_25547.cpp:2:1: error: 'import' does not name a type
 import java.util.*;
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0_0_22120329_25547.cpp:3:1: error: 'import' does not name a type
 import java.io.*;
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0_0_22120329_25547.cpp:4:1: error: 'import' does not name a type
 import java.lang.*;
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0_0_22120329_25547.cpp:5:1: error: 'import' does not name a type
 import java.math.*;
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0_0_22120329_25547.cpp:6:1: error: 'import' does not name a type
 import java.math.BigDecimal;
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0_0_22120329_25547.cpp:8:1: error: expected unqualified-id before 'public'
 public class Main{
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