Sun认证Java程序员考试(JDK1.1)由一门考试组成,可以用来测试考生对Java语言的掌握程度。考生可以使用考试大纲(exam objectives)作为准备考试的工具。 为了保证Sun客户使用的是Sun的最新技术,Sun Educational Services已经把Sun认证Java程序员考试更新为JDK1.1。 Java认证考试考试科目 目前Java 相关的认证有四个,分别是 SCJP...
3 Weeks 5-10 Hours/Week Yes, Paid Exam and/or Final Project Requires at least an intermediate level of Java. Enroll in course MOOC List is learner-supported. When you buy through links on our site, we may earn an affiliate commission....
private static final String DRIVER_NAME = "com.mysql.cj.jdbc.Driver"; // 如果 jar 是 8.0 以下的,那么驱动名如下:(只需要将 cj 删除即可) // private static final String DRIVER_NAME = "com.mysql.jdbc.Driver"; // 数据库连接地址 private static final String URL = "jdbc:mysql://localhost:3...
public static final class RoughItem { public int serial; public String content; } 最终要保存成一个题目对象 题目对象只有四个属性,题目、题型、答案、解析 1 2 3 4 5 6 7 8 9 10 11 @Data @AllArgsConstructor @NoArgsConstructor @Builder @ToString public static final class ExamItem { public Strin...
booleanisTd =false;42/**放符合条件的元素*/43protectedstaticVector<String> element =newVector<String>();44protectedstaticString paragraphText =newString();45/**要获取文件在网络中的URL*/46privatestaticfinalString FILE_URL = "http://www.weather.com.cn/weather/101010100.shtml";47/**文件在本地...
package jsj.java.exam.test05; public class Penguin extends Pet { private String sex; public Penguin(String name, String sex, int health, int love) { super(name,health,love); this.sex = sex; } /** * 宠物的自白 */ public final void speak() { ...
public class Exam { public static void main(String[]args){ try{ FileInputStream fis=new FileInputStream("test/file. zip"); ZipInputStream zis=new ZiplnputStream(fis); ZipEntry an; while(( )!=null){ en.getName(); zis.closeEntry(); ...
A.static B.privateC.abstractD.final 参考答案:C 参考解析:抽象类中的抽象方法可以只声明,定义延迟到其子类。 5[单选题] Java对文件类提供了许多操作方法,能获得文件对象父路径名的方法是( )。 A.getAbsolutePath( ) B.getParentFile( ) C.getAbsoluteFile( ) ...
4 Weeks 5-10 Hours/Week Yes, Paid Exam and/or Final Project Paid Certificate 32.00 EUR/month English French Portuguese Russian English Spanish Enroll in course MOOC List is learner-supported. When you buy through links on our site, we may earn an affiliate commission.Class...