outer8.java

来自「thinking in java 经典书的习题答案 希望对大家有帮助啊」· Java 代码 · 共 25 行

// innerclasses/Outer8.java
// TIJ4 Chapter Innerclasses, Exercise 8, page 354
/* Determine whether an outer class has access to the private elements of 
* its inner class. 
*/

class Outer8 {	
	class Inner {
		private int ii1 = 1;
		private int ii2 = 2;
		private void showIi2() { System.out.println(ii2); }
		private void hi() { System.out.println("Inner hi"); }
		}
	// Need to create objects to access private elements of Inner:
	int oi = new Inner().ii1;
	void showOi() { System.out.println(oi); }
	void showIi2() { new Inner().showIi2(); } 
	void outerHi() { new Inner().hi(); }
	public static void main(String[] args) {
		Outer8 out = new Outer8();
		out.showOi();
		out.showIi2();
		out.outerHi();
	}
}