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View Compilation Error

0_0_27315783_3640.cpp:2:1: error: 'import' does not name a type
 import java.util.*;
 ^
0_0_27315783_3640.cpp:4:9: error: expected ':' before 'static'
  public static void main(String[] args) {
         ^
0_0_27315783_3640.cpp:4:26: error: 'String' has not been declared
  public static void main(String[] args) {
                          ^
0_0_27315783_3640.cpp:4:35: error: expected ',' or '...' before 'args'
  public static void main(String[] args) {
                                   ^
0_0_27315783_3640.cpp:17:1: error: expected ';' after class definition
 }
 ^
0_0_27315783_3640.cpp: In static member function 'static void Main::main(int*)':
0_0_27315783_3640.cpp:5:3: error: 'Scanner' was not declared in this scope
   Scanner sc = new Scanner(System.in); 
   ^
0_0_27315783_3640.cpp:7:9: error: 'sc' was not declared in this scope
   while(sc.hasNext()) {
         ^
0_0_27315783_3640.cpp:12:17: error: 'Math' was not declared in this scope
    double ans = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
                 ^
0_0_27315783_3640.cpp:13:4: error: 'System' was not declared in this scope
    System.out.printf("%.2f", ans);
    ^


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