Объясните пож-та в чем проблема
package com.javarush.task.task14.task1411;
public interface Person {
class User implements Person {
public void live() {
System.out.println("I usually just live.");
}
}
class Loser implements Person {
public void doNothing() {
System.out.println("I usually do nothing.");
}
}
class Coder implements Person {
public void writeCode() {
System.out.println("I usually write code.");
}
}
class Proger implements Person {
public void enjoy() {
System.out.println("It's a wonderful life!");
}
}
}