Main.java:11: error: cannot find symbol
public class A implements Function<String, String>, Formattable {
^
symbol: class Function
location: class Ideone
Main.java:11: error: Ideone.A is not abstract and does not override abstract method formatTo(Formatter,int,int,int) in Formattable
public class A implements Function<String, String>, Formattable {
^
Main.java:22: error: non-static variable this cannot be referenced from a static context
System.out.println(new A() );
^
3 errors