Java內部類入門樣本

public class test {public static void main(String[] args) {OuterClass out = new OuterClass();OuterClass.InnerClass1 inner1 = new OuterClass().new InnerClass1();OuterClass.InnerClass2 inner2 = out.new InnerClass2();out.method();inner1.method();inner2.method();}}class OuterClass {int outerData;void method() {System.out.println("Outer Class.");}class InnerClass1 {int data;void method() {System.out.println("Inner Class 1.");}}class InnerClass2 {int data;void method() {System.out.println("Inner Class 2.");}}}