[置顶] JAVA学习路线

一:J2SE 面向对象-封装、继承、多态内存的分析递归集合类、泛型、自动打包与解包、AnnotationIO 多线程、线程同步 TCP/UDP AWT、事件模型、匿名类正则表达式反射机制2:数据库(Oracle或者MySQL)SQL语句多表连接,内外连接, 子查询等管理表、视图、索引、序列、约束等树状结构存储存储过程、触发器 数据库设计三范式、3:JDBCJDBC基础连接池 树状结构存储与展现Da

佛曰

此身如同臭皮囊,色身无常,此身非我,须当厌离

痛失新车

2009.11.23日晚,新车被盗。悲。

农夫养牛问题

一个农夫养了一头牛,三年后,这头牛每年会生出1头牛,生出来的牛三年后,又可以每年生出一头牛,请问农夫10年后有多少头牛?n年后呢?必要条件:生下来的全是母牛,且无不孕不育症,有专业公牛负责。斐波那契函数解决方法:    //总时间    String inputStr = 10;    //周期 &

文件上传

本人超级新人,折腾了一下午写的。用Hashtable存储表单项及其值,本来想做成兼容同名的,结果搞得个四不像,求指导。 FileUpload.java[code=Java]package business;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.i

新买的自行车

 

猜数字升级版

package org.blackice;

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class GuestNumber {

        /**
         * @param args
...

猜数字游戏

package org.blackice.test;
import java.util.*;
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class GuestNumber {

        /**
         * @param args
...

杨辉三角

public class YangHui{
        public static void main(String arg[]){
                int i=1,j=1,iOf=0;
                int iN = 20;
...

求阶乘

public class Factor{
        public static void main(String arg[]){
                int i=1,j=1,iR=0;
                int[] arr = new int[]{2,4,6,10};
...

java内存泄露

Java的一个重要优点就是通过垃圾收集器(Garbage Collection,GC)自动管理内存的回收,程序员不需要通过调用函数来释放内存。因此,很多程序员认为Java不存在内存泄漏问题,或者认为即使有内存泄漏也不是程序的责任,而是GC或JVM的问题。其实,这种想法是不正确的,因为Java也存在内存泄露,但它的表现与C++不同。随着越来越多的服务器程序采用Java技术,例如JSP,Servlet

2025 Packaging Design Trends: The Rise of Digital Printing for Labels

A packaging designer’s view on how digital printing, tactile finishes, and personalization reshape label design—balancing color control, sustainability, and brand storytelling. [...]
Continue reading

Corrugated Moving Boxes for Home Moves: Applications and Sustainability Benefits

A sustainability-focused look at how corrugated moving boxes perform in real-world home relocation scenarios, with practical guidance on sizing, materials, printing, and responsible sourcing. [...]
Continue reading

Solving Color Drift and Adhesion Failures in European Label Production

A brand manager’s field guide to diagnosing and fixing color, cure, and material-related issues in label and sticker production—grounded in real plant realities and data-driven process control. [...]
Continue reading

Why Hybrid Printing Outperforms Single-Process Methods for Custom Packaging Boxes

From color stability to changeover speed, hybrid workflows (Offset/Flexo + Digital) bring practical, measurable advantages to custom packaging boxes—especially for multi-SKU, short-to-mid runs in Asia’s fast-moving markets. [...]
Continue reading

UV Printing for Retail & E‑commerce Stickers: Applications and Benefits

A packaging designer’s practical look at how UV Printing and smart material choices deliver reliable custom stickers for retail shelves and e‑commerce unboxing across North America. [...]
Continue reading

Understanding Corrugated Board Properties for Better Moving‑Box Design

A production manager’s take on designing, printing, and marking corrugated moving boxes that customers actually use and trust—without slowing the line or inflating cost. [...]
Continue reading

Mastering Color and Finish in Digital Poster Printing: A Brand Manager’s Playbook

A consumer-led, Europe-focused guide for brand managers on choosing printing technology, finishes, and formats for high-impact posters—balancing speed, cost transparency, and brand consistency. [...]
Continue reading

Hybrid Printing Process Control

A practical, engineer-level overview of controlling color, registration, and cure across flexo–digital hybrid label lines in Europe, with real numbers, trade-offs, and field-tested troubleshooting. [...]
Continue reading

The Future of Business Card Printing in Europe: On-Demand, Data, and Sustainable Stock

A production manager’s view on how European business card printing is shifting toward same-day digital workflows, smarter personalization, and lower-impact materials—without glossing over the trade-offs. [...]
Continue reading

What Is the Standard Size of a Business Card, and Which Print Options Should You Choose?

A practical, Europe-focused comparison to help you choose between digital and offset printing, materials, finishes, and compliance for business cards—plus a clear answer on standard sizes. [...]
Continue reading
分页:[«]1[2][»]
Andreaali
Laali
Lahorenorbury
Thietkewebsoctrang
Forumevren
Kitchensinkfaucetsland
Drywallscottsdale
Remodelstyle
Mllpaattinen
Qiangzhi
Codepenters
Glitterstyles
Bignewsweb
Snapinsta
Pickuki
Hemppublishingcomany
Wpfreshstart5
Enlignepharm
Faizsaaid
Lalpaths
Hariankampar
Chdianbao
Windesigners
Mebour
Sjya
Cqchangyuan
Caiyujs
Vezultechnology
Dgxdmjx
Newvesti
Gzgkjx
Kssignal
Hkshingyip
Cqhongkuai
Bjyqsdz
Dizajn
Thebandmusic
Ballcorporationsupply
Georgiapacificus
3mindustry
Brotherfactory
Americangreetin
Dixiefactory
Amcorus
Berryglobalus
Usgorilla
Berlinpackagingus
Duckustech
Grahampackagingus
Loctiteus
Dartcontainerus
Frenchpaperus
Hallmarkcardssupply
Bankersboxus
Ecoenclosetech
Gotprintus
Internationalpaus
Graphicpackagin
Bemisus
Fillmorecontain
Hallmarkdirect
48hourprintus
Ardaghgroupus
E6000us
Imperialdadeus
Averysupply
Fedexofficesupply
Coherentlaserus
Keyenceus
Troteclaserus
Fotonalaserus
Monportlaserus
Xtoolm1ultra