[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

Why Waiting For 'Efficiency' To Happen On Its Own Is Costing Your Packaging Line

A veteran packaging procurement specialist argues that actively pursuing process efficiency in aluminum can procurement is a competitive advantage, not just a nice-to-have. Learn from real-world mistakes and insights. [...]
Continue reading

How a Brooklyn Café Reimagined Business Cards with Digital Printing—and When Offset Won

A designer’s take on comparing digital and offset for business cards, balancing tactile finishes, color control, and real-world constraints—guided by hands-on runs and lessons from gotprint projects. [...]
Continue reading

Digital Printing Trends to Watch in Asia

A pragmatic look at how digital, hybrid, and LED-UV printing are reshaping short-run packaging, cards, and labels across Asia—through the lens of a press engineer focused on quality, speed, and sustainability. [...]
Continue reading

How Much Does Poster Printing Cost? A Practical Q&A to Choose the Right Process

A printing engineer’s comparison-driven guide that answers cost questions and shows when to pick digital inkjet vs offset for poster and photo work, with real specs, trade-offs, and a simple decision framework. [...]
Continue reading

How Soft-Touch and Foil Trigger the Pick-Up: The Psychology of Packaging and Labeling That Converts

A sales-side look at the real decisions shoppers make in European aisles, and how finishes, structure, and clear labels turn attention into action—without losing brand equity. [...]
Continue reading

A Designer’s Guide to Sustainable Label Storytelling with Digital Printing

An eco-focused, brand-story guide to designing labels that connect with consumers in Asia, balancing material choices, finishing, and print technology—without losing sight of carbon, cost, or craft. [...]
Continue reading

Corrugated Board vs Paperboard: Choosing Moving Boxes That Survive Real-World European Logistics

A practical, engineering-led comparison of corrugated and paperboard for moving cartons—covering strength, humidity, print, compliance, and planning for European transit conditions. [...]
Continue reading

Optimizing Laser Printing for Sheet Labels: Throughput, Color, and Adhesion

A practical, sales-floor view of how converters in Asia tune laser printing for sheet labels—balancing speed, color targets, and adhesive behavior across diverse SKUs. [...]
Continue reading

How Do UV‑LED and Water‑Based Ink Systems Push Sustainable Sticker & Label Printing Forward?

A sustainability-focused, technical look at how UV‑LED and water‑based ink systems have evolved for stickers and labels in Asia—what they change in energy, migration, materials, and real-world process control. [...]
Continue reading

Why Digital Printing Makes Custom Stickers Smarter: Quality, Durability, and Control with StickerYou

A sales-focused, technical look at how digital printing and smart material choices make custom stickers practical for real-world use cases—short runs, fast turns, and consistent color—across North America. [...]
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
Atlascopcous
Dimplexus
Lithonialightin
Phoenixcontactus
Kleemannus
Alpineussupply
Cryptonsupply
Sabicusa
Ottobocksupply
Motivbowlingus
Aristasupply
Epirocus
Karndeanus
Huaweiinverterus
Quectelusa
Hpindigous
Caterpillarfactory
Eatonindustry
Shinetsuus
Envistaus
Namcotech
Hoffmanenclosur
Escofactory
Gavitaus
Kohlergeneratorus
Danfossfan
Kennametalus
Derrickus
Coolmaxus
Vardhmanus
Niprous
Cuttingedgefactory
Anritsuus
Riellous
Hksarchitects
Fujifilmsupply
Andritzus
Maxeonus
Standardtextileusa
Btlfactory
Aramithus
Napoleonus
Murataus
Ryobitech
Halliburtonusa
Morningstarfactory
Besteaton
Icaresupply
Cybexsupply