/in/Main.java:1: error: class, interface, or enum expected
A2_1
^
/in/Main.java:8: error: illegal character: '\u00a0'
int? xmin=sc.nextInt();
   ^
/in/Main.java:8: error: not a statement
int? xmin=sc.nextInt();
^
/in/Main.java:9: error: illegal character: '\u00a0'
int? xmax=sc.nextInt();
   ^
/in/Main.java:9: error: not a statement
int? xmax=sc.nextInt();
^
5 errors