package test;/** *  * 局部内部类能不能访问外围方法或者属性的值 ？ *  * 局部内部类可以访问属性 ，但是不能访问非final的局部变量  * */public class Test1 {    private String attribute ;    public void f(){        final String localAttribute = "" ;        class InnerClass {            public InnerClass(){                System.out.println("attribute " + attribute );                attribute = attribute + "" ;                //Cannot refer to                 //the non-final local variable localAttribute                 //defined in an enclosing scope                System.out.println("localAttribute " + localAttribute );                localAttribute = localAttribute + "" ;            }        }    }}/** * 测试任意代码块中的内部类访问属性和局部变量  */class TestIfLocalClass {    private String attribute ;    public TestIfLocalClass(){        final String localAttribute = "" ;        if(true){            class IfLocalClass {                public IfLocalClass(){                    System.out.println(attribute);                    attribute = attribute + "" ;                    System.out.println(localAttribute);                    localAttribute = localAttribute + "" ;                }            }        }    }}/** * 测试匿名内部类对外围属性和本地变量的访问  */interface TestAnonymousClass{    public void f() ;}class TestAClass{    private String attribute ;    public TestAnonymousClass f(){        final String localAttribute = "" ;        return new TestAnonymousClass(){            @Override            public void f() {                System.out.println(attribute);                attribute = attribute + "" ;                System.out.println(localAttribute);                localAttribute = localAttribute + "" ;            }        } ;    }}

通过上面的测试可得，局部内部类能够访问和修改外部类的属性但是不能访问非final修饰的局部变量，可以访问final修饰的局部变量但是不能修改其值。