View Compilation Error

0_0_39902167_16105.c:1:1: error: unknown type name 'import'
    1 | import java.util.*;
      | ^~~~~~
0_0_39902167_16105.c:1:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    1 | import java.util.*;
      |            ^
0_0_39902167_16105.c:3:1: error: unknown type name 'class'
    3 | class TreeNode {
      | ^~~~~
0_0_39902167_16105.c:3:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
    3 | class TreeNode {
      |                ^
0_0_39902167_16105.c:13:1: error: unknown type name 'public'
   13 | public class BinaryTreeLevelOrderTraversal {
      | ^~~~~~
0_0_39902167_16105.c:13:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'BinaryTreeLevelOrderTraversal'
   13 | public class BinaryTreeLevelOrderTraversal {
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~