testinnerstatic.java

java程序设计源代码

class TestInnerStatic
{
	public static void main(String[] args) 
	{
		A.B a_b = new A().new B();  // ok
		A a = new A();
		A.B ab =  a.new B();

		Outer.Inner oi = new Outer.Inner();
		//Outer.Inner oi2 = Outer.new Inner();  //!!!error   
		//Outer.Inner oi3 = new Outer().new Inner(); //!!! error
	}
}

class A    
{
	private int x;
	void m(){
		new B();
	}
	static void sm(){
		//new B();  // error!!!!
	}
	class B
	{
		B(){ x=5; }
	}
}

class Outer   
{
	static class Inner
	{
	}
}