The code below is contained in a file whose name is MyClass.java. Which of the following can be compiler error messages for this

file?import java.io$.*$;

public class MyClass$\_1\{$MyClass$\_1()\{\}$

$\}$

class MyOtherClass $\{$MyOtherClass$()\{\}$

$\}$The constructor MyOtherClass$()$ is not visible.

Missing package declaration "com.ikmnet.myotherclass" for class MyOtherClass.

The type MyOtherClass must be defined in its own file.

FileReader cannot be resolved to a type.

The public type MyClass$\_1$ must be defined in its own file.