big java 4th edition

Tips"Effective Java, third Edition" an English version has been published, the second edition of this book presumably many people have read, known as one of the four major Java books, but the second edition of 2009 published, to now nearly 8 years, but with

technologies, there is no need to download plugins or small programs.Ajax has a lot of merit, and it is these strengths that reflect its shortcomings (of course, the shortcomings can be overcome).Disadvantages:1. Security issues2. Support for search engines is relatively weak.3. The exception handling mechanism of the program is broken.4. The original intention of URL and resource location is violated.Actual combata simple, but useful example: TheJava version asynchronously verifies that userna

The 1th chapter goes near Java 1.2 Java Technology SystemJava programming language, Java Virtual machine, Java API Class library these three parts are collectively referred to as JDK (Java Development Kit), the JDK is the minimum environment to support

compared to the length of the previous oldest stringMaxLength = (MaxLength > (Strlength-start))? MaxLength: (strlength-start); returnmaxLength; }Test Case One: Public Static voidMain (string[] args) {//input:s String s= "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789!\" #$% ' () *+,-./:;; intLength =lengthoflongestsubstring (s); //output:95System.out.println (length); }Test Case Two: Public Static void Main (string[] args) { //input:s String s= "Wlrbbmqbhc

Download address: Network disk download Introduction to the content One of the most influential and valuable works in the Java field, with more than 20 years of experience in teaching and research of senior Java technology experts to write (won the Jolt Award), and "Java Programming ideas," the same as the more than 10-year global best-selling not decline, popul

Tips"Effective Java, third Edition" an English version has been published, the second edition of this book presumably many people have read, known as one of the four major Java books, but the second edition of 2009 published, to now nearly 8 years, but with

replication has been nominated for the ACM Outstanding Doctoral Dissertation Award. He holds a bachelor's degree from Columbia University and a PhD from Carnegie Mellon University.Pan Zhejiang Haining People, is currently serving in the Institute of Computer Science and Technology, Peking University, associate researcher; The research direction is information security (including network security and public key technology) and software development (including component technology and model); The

DescriptionHere is read the "Effective Java Chinese version of the second edition" of the Reading notes, here will record some personal feeling a little bit important content, convenient for later review, may be due to personal strength reasons caused by misunderstanding, if found welcome to point out. Some individuals do not understand that will be marked with a slash.The first chapter is the introduction,

and read the contents —————————— Insert successfully! Insert Success! Insert Success! Insert Success! Insert Success! The table is not empty! The 1th position is: Small a 2nd position: Small B 3rd position: Small C 4th position is: Small d 5th position: Small e —————————— Find small A, small e, Little dragons in the table —————————— small a position:1 small e position: 5 Dragon's Location: Find failed! 0—————————— Delete small E, small b —————————— D

iterators , Java nested classes, and the implementation of the inner class 493.5LinkedList class 523.6 stack ADT583.6.1 stack model 583.6.2 stack implementation 593.6.3 application 593.7 queue ADT653.7.1 queue Model 653.7.2 queue array Implementation 653.7.3 Queue Application 66 Summary 67 Exercise 67 4th Tree 714.1 Preliminary Knowledge 714.1.1 tree's implementation 724.1.2 tree traversal and application

48916.3.4 process contains how many steps 49016.3.5 need to control and monitor 4911 6.3.6 when to redefine a project objective 49216.4 law Field 49216.4.1 Royce Methodology 49316.4.2 Extreme Programming (XP) 49616.4.3 Rugby methodology 50016.5 Case study 50516.5.1 XP project: ATRAC T 50616.5.2 Local main customer: FRIEND 50816.5.3 Distributed project: JAMES 51316.5.4 Case Study summary 51816.6 recommended readings 52116.7 Exercise 521 Part 4 Appendix Appendix A design Pattern 525a.1 Abstrac T

10 Big building tools common to Java programmers Recently, I did a programmer-developed survey of 20 big data tools used by Java programmers. Recently I did a Java survey and asked a lot of developers about what tools/frameworks they used over the last 12 months. Respondents

Course Study Address: http://www.xuetuwuyou.com/course/227The course out of self-study, worry-free network: http://www.xuetuwuyou.comLecturer: Watermelon TeacherCourse Catalogue:1th Lecture, Project Flow2nd, the overall process of the project3rd, the process of demand analysisThe 4th, common indicators5th, the goal of the project6th, the structure of the project process7th lecture, Project Process supplement8th Lecture, Technology selection9th, zookee

15, because of 1+2+3+4+5=4+5+6=7+8=15, so the result prints out 3 sequential sequence 1--5,4--6,7--8.With previous experience, we also consider using two tree small and big to represent the minimum and maximum values of the sequence respectively. First initialize the small to 1,big to 2. If the sequence from small to big and greater than s, we can remove the sma

allows you to modify instead of creating a new object for each different string. Also, the conversion of these two kinds of objects is very easy.At the same time, we can also know that if you want to use the same content string, you do not have to new a string each time. For example, we want to initialize a string reference variable named S in the constructor, set it to the initial value, and should do this:public class Demo {Private String S;...Public Demo {s = "Initial Value";}...}Rather than

to run more than one statement, it's like this, running the 4th step several times, can achieve the same effect:Example: sql = "INSERT into stud values (' 1011 ', ' Yang over 1 ', 26, ' martial arts ');"; St.execute (SQL); sql = "INSERT into stud values (' 1011 ', ' Yang over 1 ', 26, ' martial arts ');"; St.execute (SQL); After running the stud table: Deletion and modification is the same as adding, just swap the SQL string for a bit (SQL that

(); String SQL= "SELECT * from T_jieba where name =?"; Pstmt=con.preparestatement (SQL); Pstmt.setstring (1, str); ResultSet RS=Pstmt.executequery (); while(Rs.next ()) {System.out.println (Rs.getint (1) + "--" +rs.getstring (2) + "--" +rs.getstring (3) + "--" +rs.getstring (4) + "--" +rs.getstring (5)); Pstmt.clearparameters (); String SQL1= "Update t_jieba set times =?" WHERE id =? "; Pstmt=con.preparestatement (SQL1); Pstmt.setint (1, 1+NewInteger (Rs.getstring (5))); Pstmt.setin

people met in the number 2, the benchmark number 3 and this 2 exchange, get a new array 2 1 0 3 7 9 3 5, the 3 as a split point, the entire array is divided into two parts, the left 2 1 0 and the right 7 9 3 Repeat the above steps to continue sortingThe Java code is as follows: Public classQuickSort { Public Static voidMain (string[] args) {//TODO auto-generated Method StubQuickSort QS=NewQuickSort (); int[] score = {10,9,8,7,6,5,4,3,2,1}; Qs.quickso

) each time a 1 Revisedobjectinheap object is created, but it consumes 2M of out-of-heap memory. Such a heap of memory is sufficient (in which case garbage collection of heap memory is not performed), but the out-of-heap memory is insufficient, so OutOfMemoryError is not reported . Although the improved REVISEDOBJECTINHEAP does not have an out-of-heap memory leak, this workaround wastes heap memory unnecessarily. A simple look at the next Bytebuffer source, its internal allocation of external me

the topic is to ask for the smallest number of k numbers from a large amount of data, because the size of the memory is limited, it may not be able to load these massive data into memory all at once. At this time, we can assist storage space (such as disk) to read a number each time, according to Getleastnumbers way to determine whether it is necessary to put the container leastnumbers. This approach only requires memory to accommodate leastnumbers. So it fits the case that n is