「咖嚓java」咖嚓吉必鲁固什么意思

博主:adminadmin 2022-12-02 10:12:08 52

今天给各位分享咖嚓java的知识,其中也会对咖嚓吉必鲁固什么意思进行解释,如果能碰巧解决你现在面临的问题,别忘了关注本站,现在开始吧!

本文目录一览:

手机QQ2010java版怎么截屏

按住休眠键(电源/开关/锁机键/音量下键)的同时按功能键,听见"咔嚓"一声,屏幕就成了一张完美照片。快试试吧。

祝好运!

求一个Java分解质因数方法

import java.util.Scanner;

public class Try

{

static boolean is_odd(int n)

{

if(n==2||n==3) return true;

if(n%2==0) return false;

int i;

for(i=3;i=n/2;i+=2)

if(n%i==0) return false;

return true;

}

public static void main(String[] args)

{

Scanner in=new Scanner(System.in);

System.out.println("输入数值");

int n=in.nextInt();

int i;

System.out.print(n+"=");

for(i=2;i=n;i++)

{

if(!is_odd(i)) continue;

if(n%i==0)

{

while(true)

{

System.out.print(i);

n/=i;

if(n!=1) System.out.print("*");

if(n%i!=0) break;

}

}

}

System.out.println();

}

}

要给分啊!!!

怎样学好Java语言

JAVA是基于C++,但去掉了C++中许多不易理解以及潜在威胁java安全模块,包括运算符重载,多重继承,指针=,比较易学的了

建议初学者,在编程时最好用JDK编程好

Of

course,只是一个advice而已

JAVA :int 转换为bite 以及double 转换为float 视频里解释成字节数不同又是咔嚓砍掉的是什么意思?请高...

比如int转byte..

int是4个字节..byte是一个字节..所以int是32位二进制..byte是8位..

假如有个int是2..那么他换成二进制就是00000000....10 转成btye就是切掉前面的..直到剩下8位..所以转过来就是00000010..

java下载出错

你是在玩我的世界吧,下载一个jdk就行了,不用安装,直接引入就行了

关于Java中的JavaMail问题

给你个例子吧

/**

* @author EX-QINCIDONG001

* 验证

*/

public class MailAuthorization extends Authenticator {

private String username;

private String password;

public MailAuthorization(String username,String password) {

this.username = username;

this.password = password;

}

@Override

protected PasswordAuthentication getPasswordAuthentication() {

// TODO Auto-generated method stub

return new PasswordAuthentication(username,password);

}

}

public class MailInfo {

// 服务器地址

private String hostName;

// 端口

private String hostPort;

// 用户名

private String userName;

private String password;

public String getUserName() {

return this.userName;

}

public void setUserName(String userName) {

this.userName = userName;

}

public String getPassword() {

return this.password;

}

public void setPassword(String password) {

this.password = password;

}

// 是否需要验证

private boolean validate = false;

// 发件人

private String sender;

// 收件人

private String[] recvers = {};

// 抄送给哪些人

private String[] ccs = {};

// 邮件主题

private String subject;

// 邮件内容

private String content;

// 附件

private ListFile attaches;

public String getHostName() {

return this.hostName;

}

public void setHostName(String hostName) {

this.hostName = hostName;

}

public String getHostPort() {

return this.hostPort;

}

public void setHostPort(String hostPort) {

this.hostPort = hostPort;

}

public boolean isValidate() {

return this.validate;

}

public void setValidate(boolean validate) {

this.validate = validate;

}

public String getSender() {

return this.sender;

}

public void setSender(String sender) {

this.sender = sender;

}

public String[] getRecvers() {

return this.recvers;

}

public void setRecvers(String[] recvers) {

this.recvers = recvers;

}

public String[] getCcs() {

return this.ccs;

}

public void setCcs(String[] ccs) {

this.ccs = ccs;

}

public String getSubject() {

return this.subject;

}

public void setSubject(String subject) {

this.subject = subject;

}

public String getContent() {

return this.content;

}

public void setContent(String content) {

this.content = content;

}

public ListFile getAttaches() {

return this.attaches;

}

public void setAttaches(ListFile attaches) {

this.attaches = attaches;

}

}

public class MailSender {

private MailInfo mailInfo;

public MailSender(MailInfo mailInfo) {

this.mailInfo = mailInfo;

}

// 发送邮件方法

public void sendMail() throws MessagingException {

Properties props = System.getProperties();

props.setProperty("mail.transport.protocol", "smtp"); // smtp协议

props.put("mail.smtp.host", mailInfo.getHostName());

props.put("mail.smtp.port", mailInfo.getHostPort());

props.put("mail.smtp.auth", mailInfo.isValidate()?"true":"false");

Authenticator authenticator = new MailAuthorization(mailInfo.getUserName(),mailInfo.getPassword());

Session session = Session.getDefaultInstance(props, authenticator);

MimeMessage msg = new MimeMessage(session);

msg.setSubject(mailInfo.getSubject(), "utf-8");

Address address = new InternetAddress(mailInfo.getSender());

msg.setFrom(address);

// 收信人

Address[] recvs = new Address[mailInfo.getRecvers().length];

int index = 0;

if (mailInfo.getRecvers() != null) {

for (String s : mailInfo.getRecvers()) {

Address addr = new InternetAddress(s);

recvs[index] = addr;

index++;

}

}

msg.setRecipients(RecipientType.TO,recvs);

index = 0;

// 抄送

Address[] ccs = new Address[mailInfo.getCcs().length];

if (mailInfo.getCcs() != null) {

for (String s:mailInfo.getCcs()) {

Address addr = new InternetAddress(s);

ccs[index] = addr;

index++;

}

}

msg.setRecipients(RecipientType.CC, ccs);

Multipart mp = new MimeMultipart();

BodyPart part = new MimeBodyPart();

part.setContent(mailInfo.getContent(), "text/html;charset=utf-8");

// 增加附件

if (mailInfo.getAttaches() != null mailInfo.getAttaches().size() 0) { // 有附件

for (int i=0;imailInfo.getAttaches().size();i++) {

BodyPart bp = new MimeBodyPart();

FileDataSource fds = new FileDataSource((File) mailInfo.getAttaches().get(i));

bp.setDataHandler(new DataHandler(fds));

mp.addBodyPart(bp);

}

}

mp.addBodyPart(part);

msg.setContent(mp);

// Transport transport = session.getTransport();

Transport.send(msg);

}

}

public class TestMailSender {

/**

* @param args

*/

public static void main(String[] args) {

MailInfo mi = new MailInfo();

mi.setValidate(true);

mi.setUserName("ex-qincidong001@pingan.com.cn");

mi.setPassword("*******");

mi.setSubject("测试邮件发送");

mi.setSender("qincidong@163.com");

mi.setRecvers(new String[]{"ex-qincidong001@pingan.com.cn","qincidong@qq.com"});

mi.setHostPort("25");

mi.setHostName("smtp.163.com");

mi.setContent("a href=''百度/a百度知道");

// 添加附件

ListFile attaches = new ArrayListFile();

attaches.add(new File("D:\\qincidong\\资料\\Ejb\\EJB3.0入门经典-weblogic.pdf"));

attaches.add(new File("D:\\qincidong\\资料\\Ejb\\编写第一个EJB应用程序.doc"));

mi.setAttaches(attaches);

MailSender sender = new MailSender(mi);

try {

sender.sendMail();

System.out.println("邮件发送成功。");

} catch (MessagingException e) {

System.err.println("邮件发送失败");

e.printStackTrace();

}

}

}

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发布于:2022-12-02,除非注明,否则均为首码项目网原创文章,转载请注明出处。