调用其他类成员的方法

[z6883123]

public class A {
private String Authority = "sa";
B b = new B(Authority);
}

public class B {
public B b = new B();
public String Authority;
public B() {
;
}
public String getAuthority() {
return Authority;
}
public void setAuthority(String authority) {
Authority = authority;
}
public B(String Authority) {
b.setAuthority(Authority);;
}
}

public class C {
public C() {
}

public static void main(String[] args) {
C c = new C();
}
}

请问如何在C类中调用A类的b的函数?

[kirawinder_159]

函数？方法吧？ 有2个方法 1.c类持有B类对象 2.B类方法为静态方法

[爱撸铁的90后码农]

你这代码自己写的吧 逻辑性不好 而且B类中没有有参构造函数，A类直接创建一个有参的B对象呢 在C方法中调用创建A对象 然后 对A的方法进行调用就好啦

[我自横刀香甜笑]

public class A { private String Authority = "sa"; public B b = new B(Authority); } public class B { public B b = new B(); public String Authority; public B() { ; } public String getAuthority() { return Authority; } public void setAuthority(String authority) { Authority = authority; } public B(String Authority) { b.setAuthority(Authority);; } } public class C { public A a = new A(); public C() { } public static void main(String[] args) { C c = new C(); String test = c.a.b.getAuthority(); } }

[Defonds]

先弄明白封装，以及 private、protected、public 的作用

[捏造的信仰]

楼主要学会贴代码

public class Demo {
    public static void main(String[] args) {
        if (args.length == 0) {
            System.out.println("no args.");
        }
    }
}

像楼主的代码层级多，又没有排版，没法看。