View Compilation Error

0_0_28929518_12712.cpp:1:1: error: 'import' does not name a type
 import java.math.*;
 ^
0_0_28929518_12712.cpp:2:1: error: 'import' does not name a type
 import java.util.*;     //包含输入输出函数  
 ^
0_0_28929518_12712.cpp:3:1: error: 'import' does not name a type
 import java.text.*;    
 ^
0_0_28929518_12712.cpp:4:1: error: 'import' does not name a type
 import java.io.*;       //导入java.io下的所有类
 ^
0_0_28929518_12712.cpp:5:1: error: expected unqualified-id before 'public'
 public class Main {
 ^