innerdemo.java

来自「java课程的资料以及实验的代码」· Java 代码 · 共 21 行

class Outer {
  int outer_x = 100;

  void test() {
Inner inner = new Inner();
inner.display();
  }
  // 内部类
  class Inner {
void display() {
  System.out.println("display: outer_x = " + outer_x);
}
  }
}
class InnerDemo{
public static void main(String args[]) {
Outer outer = new Outer();
outer.test();
  }
}