同一包下的三个类 public class A { public C c1; public A() { c1=new C(); } } ///////////// public class B { A a1; public B() { a1=new A(); } public String returnac() { String a=a1.c1.returnstr(); return a; } } ///////////////////// public class C { public C() { } public String returnstr() { return "CCCCCCC"; } } 调用时 B b1=new B(); String str1=b1.returnac());
public class A {
public C c1;
public A() {
c1=new C();
}
}
/////////////
public class B {
A a1;
public B() {
a1=new A();
}
public String returnac()
{
String a=a1.c1.returnstr();
return a;
}
}
/////////////////////
public class C {
public C() { }
public String returnstr()
{
return "CCCCCCC";
}
}
调用时
B b1=new B();
String str1=b1.returnac());
C cb = a.c1
C cb = a.c1