java ocr library example

Icepdf is a lightweight, open source Java language PDF class library. Icepdf can be used to browse, extract, and convert PDF documents without the support of some local PDF libraries.What can be used to do?1. Extract all the text or information from the PDF file, such as a summary of the PDF document2, the PDF into a picture, this function is very good, such as to the PDF file thumbnail or directly to do a

First of all, the concurrent class library should be a very important class library in java. When building some Synchronous Code, containers, and concurrency, you can find ready-made and usable classes in this class library... The most core type in this class library is the

【Core JavaLearning notes Java SE8 Stream library stream from iteration to streamIf you want to calculate how many long words are in a text (letter >12). Iterative type:getlist();//虚构方法，获得一个Listlong0;for(String w:words){if(w.length()>12) count++;} Flow type:getlist();//虚构方法，获得一个Listlong count = words.stream().filter(w->w.length12).count(); The benefits of a streaming expression relative to an iterati

We installed the NDK while installing the environment, so files can be generated directly under Eclipse. The NDK's zipped package comes with some sample projects, and the NDK files are extracted directly into a directory.The first time we generated the so file, we first used the example of Hello-jni under the NDK's sample.1, start eclipse, through the Create project from existing source, select Hello-jni directory, by default option to create the proj

ProgramRelease of essential Java APIs and Class search Auxiliary Tools According to foreign media reports, researchers at the computer department of Carnegie Mellon University recently developed two tools to help programmers select the appropriate API from thousands of Java APIs. The two tools are named jadeite and apatite respectively. They use a human-centered design technology, greatly reducing the t

) ArrayList ArrayList = new ArrayList (); Arraylist.add ("Hello"); Arraylist.add ("World"); int value = Reflect.on (arrayList). Call ("Hugecapacity"). Implementation Principle Reflect actually encapsulates the native Java reflect and masks extraneous details. Take the fields method as an example, its internal implementation can be seen to invoke the Java nat

just open source is a fully tested Java tool class. The current code has undergone a complete test and is applying to the MAVEN central repository. The address is as follows:Https://github.com/Jimmy-Shi/bean-queryinstructions for use are as follows:Bean-queryClick here for 中文版 version.Beanquery is a Java tool library that converts objects to maps. Supports select

related to each other according to the category of books 3, the establishment of database tables(1), T_use User Information table(2), T_booktype Book category management table(3), T_book Book Information management table 4, Association of Database Tables (association of foreign Keys) (vi), main Java code Analysis: (1), Dao class (take Bookdao for example) Package Com.java1234.dao; Import Java.sql.ResultSe

:converter-jackson Moshi:com.squareup.retrofit2:converter-moshi Protobuf:com.squareup.retrofit2:converter-protobuf Wire:com.squareup.retrofit2:converter-wire Simple Xml:com.squareup.retrofit2:converter-simplexml Scalars (Primitives, boxed, and String): Com.squareup.retrofit2:converter-scalars The following is an example of an implementation that uses the Gsonconverterfactory class to produce an Githubservice interface, which i

1, Beam IntroductionIn order to serialize HDF files in Hadoop, after a variety of searches, inadvertently discovered a powerful Java open source software, it is beam.For researchers engaged in remote sensing, it can be used as a powerful open source remote sensing processing software by installing beam. Although not envi so easy to use, but also perfunctory passable. Install beam at least, without authorization files to crack ~For remote sensing softw

In project development, sometimes encounter with SSL security certificate import to deal with, how to import the certificate into Java cacerts Certificate library? In fact, it is very simple, the method is as follows:Every step: Go to a Web site at the beginning of a https://www.xxx.com, download the certificate you want to import.On the page, right-click >> properties >> Tap Certificates >>Then click on th

Bean-Query a Java tool library that converts an object to MapA fully tested Java tool class is just open-source. The current Code has undergone a complete test and is being applied to be placed on Maven central Repository.Bean-query Click Here for English version. BeanQuery is a Java tool

Java-based Oracle database self-built tool Library When I learned how to operate Oracle databases in Java, I suddenly thought that I could create a tool class like php, which could greatly reduce the complexity of the Code. It can also improve work efficiency. If java cannot build a tool class by itself, it is very rid

Java.util.concurrent.Exchanger Application Example and principle analysis--Reprint PackageThread;ImportJava.util.Random;ImportJava.util.concurrent.Exchanger;ImportJava.util.concurrent.ExecutorService;Importjava.util.concurrent.Executors; Public classExchangertest { Public Static voidMain (string[] args) {Executorservice Executorservice=Executors.newcachedthreadpool (); FinalExchangerNewExchanger(); Executorservice.execute (NewRunnabletest ("A", exchan

Label:When learning the Java operation of the Oracle database, it occurred to me that it would be possible to build a tool class like PHP, which would greatly reduce the complexity of the code. can also improve productivity. Java If you can not build a tool class, it is very ridiculous, but, in the process of establishment, there are some problems, I hope in the future do not make similar mistakes. First of

One, JNI Java tune C + + dynamic library function problem1. Multi-Parameter callback2. Parameter passing is garbledSecond, to solve1. Using the byte[] array in C + +, the generated header file will become the Jbytearray typeFor example, in Java parameters: Byte[]account, the parameters in the header file become Jbytear

Jpinyin is a kind of Java open source class library of Chinese characters to pinyin, and has made some improvements on the basis of pinyin4j function."Jpinyin Main Features"1, accurate, perfect font;Unicode encoding from the 4e00-9fa5 range and 3007 (0) of the 20,903 Chinese characters, Jpinyin can convert all the Chinese characters except the 46 allogeneic words (the non-standard pinyin);2, pinyin conversi

How is the decoration mode used by the java io library reflected?Overview There are about 85 classes in the I/O package of java, which is really complicated. Otherwise, these classes can be divided into the following four parts.Input stream output stream Byte stream InputStream OutputStream Stream Reader Writer In short, the corresponding four parts are neat, wit

The purpose of the Java Container class library is to "save the object" and divide it into two different concepts: Collection. A sequence of independent elements that obey one or more rules. The List must save the element in the order in which it was inserted, and Set cannot have duplicate elements. The queue determines the order in which objects are produced, usually in the same order in which the

In fact it is very simple, the method is as follows: Each step: Enter a https://www.xxx.com to start the site, the certificate to be imported to download over, Right >> properties >> Click "Certificate" on this page >> Click on the "Details" toggle bar above >> Then click the "Copy to File" button in the lower-right corner A Certificate Export Wizard dialog box pops up, and you can do it step-by-step by prompting. For example: Save As Abc.cer,