Java公共/私有和静态修饰符如何影响在一行上声明的多个变量?
发布时间:2020-12-15 04:52:26 所属栏目:Java 来源:网络整理
导读:以下是等效的吗? private static boolean readAllFiles = false,readAllDirs = false;private static boolean readAllFiles = false;private static boolean readAllDirs = false; 如果是这样,他们是否仍然拥有不同值的相同修饰符? private static boolean
以下是等效的吗?
private static boolean readAllFiles = false,readAllDirs = false; private static boolean readAllFiles = false; private static boolean readAllDirs = false; 如果是这样,他们是否仍然拥有不同值的相同修饰符? private static boolean readAllFiles = false,readAllDirs = true; 解决方法
是的,它们是等价的,无论它们的初始值如何.
这是一些测试代码来演示: public class TestClass { private static boolean readAllFiles = false,readAllDirs = true; public static void main(String[] args) { //these two would result in COMPILE error if both vars were not static System.out.println("readAllFiles: " + readAllFiles); System.out.println("readAllDirs: " + readAllDirs); } } public final class TestClass2 { public static void main(String[] args) { //these two DO result in COMPILE error,because both vars are private System.out.println("TestClass.readAllFiles: " + TestClass.readAllFiles); System.out.println("TestClass.readAllDirs: " + TestClass.readAllDirs); } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |