诗人密语

public class B { static int a = print(); public static int print() { System.out.println("父類Hello"); return 2; }}public class A extends B { public static void main(String[] args) { Syst...

public class B { int a = print(); public int print() { System.out.println("父類Hello!"); return 2; }}public class A extends B { public static void main(String[] args) { A a = new A(); }...