class Main { | |
interface MyCall { | |
void call(int n); | |
} | |
interface MyCallRet { | |
int call(int n); | |
} | |
public static void caller(MyCall c) { | |
c.call(2); | |
} | |
public static void caller(MyCallRet c) { | |
c.call(3); | |
} | |
public static void main(String[] args) { | |
caller( (int n) -> { System.out.println(" " + n); } ); | |
} | |
} |