View Compilation Error

0_0_33266006_28408.cpp:1:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_33266006_28408.cpp:2:1: error: 'import' does not name a type
 import java.math.*;
 ^
0_0_33266006_28408.cpp:7:9: error: expected ':' before 'node'
  public node(int num,int vis)
         ^
0_0_33266006_28408.cpp:12:1: error: expected ';' after class definition
 }
 ^
0_0_33266006_28408.cpp: In constructor 'node::node(int, int)':
0_0_33266006_28408.cpp:9:8: error: request for member 'num' in '(node*)this', which is of pointer type 'node*' (maybe you meant to use '->' ?)
   this.num=num;
        ^
0_0_33266006_28408.cpp:10:8: error: request for member 'vis' in '(node*)this', which is of pointer type 'node*' (maybe you meant to use '->' ?)
   this.vis=vis;
        ^
0_0_33266006_28408.cpp: At global scope:
0_0_33266006_28408.cpp:13:1: error: expected unqualified-id before 'public'
 public class Main
 ^