View Compilation Error

0_0_5431272_6656\Main.java:1: class NewClass is public, should be declared in a file named NewClass.java
public class NewClass {
       ^
0_0_5431272_6656\Main.java:3: cannot find symbol
symbol  : class Scanner
location: class NewClass
    Scanner sc=new Scanner(System.in);
    ^
0_0_5431272_6656\Main.java:3: cannot find symbol
symbol  : class Scanner
location: class NewClass
    Scanner sc=new Scanner(System.in);
                   ^
3 errors