java 8 api

Persistence is crucial for most enterprise applications because they need to access relational databases, such as Oracle Database 10 Gb. If you are using Java to develop applications, you may be responsible for some tedious work, such as using JDBC and SQL to write update or read database code. In the past few years, some object-link ing frameworks, such as Oracle toplink and JBoss hibernate, have become very popular because they simplify persistence

First, the editing environment: 1. The confidential Installation Curl command, download address: https://curl.haxx.se/download.html (note: There are too many versions, we download a as long as there are curl.exe) 2. Need Jsoup jar, this search on Baidu can see a lot of. 3. Test words need to install Acunetix11, this well, the current online has not provided (anyway, I did not find) free, we first temporarily ignore this point, continue to go on, cut to the chase. It takes 4 steps to first invo

Standard Book Coding (ISBN) code, or look for an outbound account database to display all authors who are under-posted. Fortunately, you can combine XPath into a Java program so that you can take advantage of both: Java is good at Java, and XPath does what XPath does best.Until recently, the application programming interfaces (APIs) required by the

Java ee5, as the specification of the next-generation Java Enterprise Development Platform, has attracted the attention of the entire Java Development Community since its design. It has aroused numerous debates and raised numerous expectations. Java ee5, nearly six years after its birth as a J2EE platform, focuses on s

padding in the base class. (This seems to make no sense, JAVA7 memory optimization algorithm problem, can be around). However, this approach is a bit annoying, borrowing another blogger: it's hard to be a Java programmer.Scenarios under JAVA 8In Java 8, the cache row population was finally supported by

[TOC] Redis Note-taking (ii): Java API use with Redis distributed cluster environment using Redis Java API (i): Standalone version of Redis API usageThe Redis Java API operates th

. Radial gradient color fill");Graphics2D g2d = (graphics2d) g.create ();float cx = this.getwidth ()/2;float cy = this.getheight ()/2;//(Cx,cy is the center coordinate)float radius = math.min (cx,cy);//Circle radiusfloat[] Fractions = new float[]{0.1f,0.5f,1.0f};//color Ramp keyframe Positioncolor[] colors = new color[]{color.red,color.green,color.black};//color arrayRadialgradientpaint RGP = new Radialgradientpaint (cx,cy,radius,fractions,colors, MultipleGradientPaint.CycleMethod.NO_CYCLE);G2d.

1, the API document reading skills, first read the backbone, understand the function, in the view of foliage, English is also so 2, Java API documents reuse, as little as possible to use search, but through the directory to find, so as to help you become familiar with the target class where the specific location 3, the left side of the Big Blue is the package nam

Java 8 corresponds to the JDK version of JDK8, and the official website download back when installed, the folder is written JDK1.8, the same meaning. (and this version of the name is also a regular, and so on)First, Java 51, 1190000004417288Second, Java 62, 1190000004417536Third, J