View Compilation Error

0_0_6076402_18662\Main.java:1: class test is public, should be declared in a file named test.java
public class test{
       ^
0_0_6076402_18662\Main.java:4: cannot find symbol
symbol  : class Scanner
location: class test
        Scanner sc = new Scanner(System.in);
        ^
0_0_6076402_18662\Main.java:4: cannot find symbol
symbol  : class Scanner
location: class test
        Scanner sc = new Scanner(System.in);
                         ^
3 errors