[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

The Vehicle of Brand Story: How Staples-Style Business Cards Carry Data, Color, and Cost Control

In 8 weeks (N=126 lots), we cut ΔE2000 median 3.2→1.2 on premium business cards, reduced false rejects 0.9%→0.3% @ 185–190 °C/0.9 s/120 m/min, and held margins within ±1.2% via energy/ink/paper indexation, under G7 Master Colorspace cert# G7M-2025-1842 and FSC CoC ID SGS-COC-005874. [...]
Continue reading

stickermule in Packaging Printing: Utilizing Hot Stamping and Silver Foiling

Hot stamping and silver foiling for sleeves cut ΔE2000 from 3.2 to 1.2 in 8 weeks (N=18 lots) while improving FPY and e‑commerce readiness; includes low‑migration lab protocols, ISO 2859‑1 AQL sampling, SGP/ISO 14001 KPIs, Amazon prep/overbox mapping, and profit levers with quantified payback. [...]
Continue reading

Consumer Data Privacy: Protecting Information in Smart GotPrint

A practitioner’s blueprint to safeguard consumer data in smart printed packaging while meeting APAC electronics demand, cutting CO₂/pack and kWh/pack, holding ΔE targets across markets, controlling multi-site variance, and passing UL 969 label durability. [...]
Continue reading

Small Animal Supply Packaging Solutions: Sheet Label Applications that Improve Convenience and Organization

A technical playbook for sheet labels in small animal supply packaging, covering EU overprint zones, ISTA/ASTM selection for household logistics, cost-to-serve modeling, returns-to-artwork governance, and cross-site variance control—grounded in quantified data and audited standards. [...]
Continue reading

Edible Packaging: The Ultimate Sustainable Solution for Staples Printing

A technical, standards-anchored guide that links edible packaging with print operations—from lead times and recycled BOPP limits to ΔE targets, centerlining, and ISTA/ASTM Amazon first-pass benchmarks—plus a retailer case and pricing Q&A. [...]
Continue reading

Smart Sensors in Packaging: Monitoring Conditions for sticker giant

A practical, standard-anchored playbook on smart sensors in packaging—covering procurement shifts, APR/CEFLEX blister guidance, AR adoption in wine & spirits, OEE/FPY targets for on-demand work, and AQL strategies—built for converters and brand owners scaling smart label programs. [...]
Continue reading

Protecting Sensitive Products: The Role of pakfactory in Secure Packaging

A technical deep-dive on acceptance windows for CO₂/pack, color drift controls, unit economics, LatAm e-commerce packaging demand, and indexation clauses—grounded in standards, plant data, and a validated customer case. [...]
Continue reading

The Impact of Digital Printing on vista prints Customization

How data-driven digital printing unlocks mass customization for US brands while governing cold-chain complexity, transport risks, CAPA speed, and commercial cadence. [...]
Continue reading

Enhancing uline boxes Appeal: The Art of Typography and Font Selection

We cut ΔE2000 P95 from 3.2 to 1.2 on corrugated and paperboard uline boxes while raising FPY to 98.1% (N=84 lots, 8 weeks) using SMED parallel tasks, recipe locks, and airflow re‑zoning under G7 Colorspace cert# GS-2024-1178 and EU 2023/2006 §5. [...]
Continue reading

Enhancing papermart Appeal: The Art of Typography and Font Selection

How typography choices and cured-ink control improve legibility, barcode grade, and sustainability in packaging print, with UV/LED/EB dose bands, OT hardening, SGP/ISO 14001 cadence, lubrication life, and DAM/PLM RACI integration. [...]
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