「咖嚓java」咖嚓吉必鲁固什么意思
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:
- 1、手机QQ2010java版怎么截屏
- 2、求一个Java分解质因数方法
- 3、怎样学好Java语言
- 4、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...
- 5、java下载出错
- 6、关于Java中的JavaMail问题
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();
}
}
}
咖嚓java的介绍就聊到这里吧,感谢你花时间阅读本站内容,更多关于咖嚓吉必鲁固什么意思、咖嚓java的信息别忘了在本站进行查找喔。
发布于:2022-12-02,除非注明,否则均为
原创文章,转载请注明出处。