创建数据库 create table account( id int primary...; /* * 账户的持久层接口 * */ public interface IAccountDao { /* * 查询所有 * */ List findAllAccount...} } } 5.编写业务层代码 package com.itheima.service; import com.itheima.domain.Account; import java.util.L...
From source file:com.alibaba.otter.manager.biz.monitor.impl.GlobalMonitor.java private void concurrentProcess(List<Long> channelIds) { ExecutorCompletionService completionExecutor = new ExecutorCompletionService(executor); List<Future> futures = new ArrayList<Future>(); for (final Long channelId : ...
Example 7Source File: EnrichTruckData.scala From trucking-iot with Apache License 2.0 5 votes package com.orendainx.trucking.nifi.processors import java.io.{InputStream, OutputStream} import java.nio.charset.StandardCharsets import java.util.concurrent.atomic.AtomicReference import java.util.Scanner...
The key abstraction introduced in this package isstream. The classesStream,IntStream,LongStream, andDoubleStreamare streams over objects and the primitive int, long and double types. Streams differ from collections in several ways(Streams区别于Collections的方面): No storage(没有存储). A stream is ...
Java SE 17 & JDK 17 Overview Module Package Class Use Tree Preview New Deprecated Index Help SEARCH: Uses of Packagejava.util Packages that use java.util Package Description com.sun.java.accessibility.util Provides a collection of interfaces and classes that compose the Java Accessibility Utilities...
From source file:org.rakam.client.builder.document.SlateDocumentGenerator.java private String toExampleJsonParameters(Map<String, Property> properties) { return "{" + properties.entrySet().stream() .map(e -> "\"" + e.getKey() + "\" : " + getValue(e.getValue()) + "\n") .collect...
Note that some patterns, for example a*, match the empty string. This method will return the empty string when the pattern successfully matches the empty string in the input. Java documentation for java.util.regex.MatchResult.group(). Portions of this page are modifications based on work...
dot-separated namespace. Logger names can be arbitrary strings, but they should normally be based on the package name or class name of the logged component, such as java.net or javax.swing. In addition it is possible to create "anonymous" Loggers that are not stored in the Log...
今天无意间看到了java.util.concurrent.TimeUnit枚举类。 想通过这个类谈谈枚举,以及编程规范问题。 二、源码 源码: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 package java.util.concurrent; /** * A {@code TimeUnit} represents time durations at a given unit of * granularity and provides util...
package org.apache.commons.math3.util; import java.util.EventListener; /** * The listener interface for receiving events occurring in an iterative * algorithm. * */ public interface IterationListener extends EventListener { /** * Invoked after completion of the initial phase of...