![]() ![]() Within this basic description, a Set is a type of Collection with no duplicates, and a List is a Collection in which the elements are ordered (but may contain duplicates). The basic layout of the Java Collections is shown in Figure 8-1. A Collection is a grouping of objects, while a Map is a set of mappings, or associations, between objects. The Java Collections define two fundamental types of data structures. Java ships with several implementations of each of the classic data structures, and because the types are represented as interfaces, it is very possible for development teams to develop their own, specialized implementations of the interfaces for use in their own projects. The Java Collections are a set of generic interfaces that describe the most common forms of data structure. Become familiar with development tools in OpenJDK.Delve into Java’s latest I/O APIs, including asynchronous channels.Examine how concurrency and memory are intertwined.Explore generics, enumerations, annotations, and lambda expressions.Learn Java’s syntax and model for object-oriented programming.Get up to speed on language and core library details through Java 17.This latest edition of Java in a Nutshell also covers recent enhancements to the Java object model that every developer should know about. Part II covers some of the core libraries that ship with Java and programming techniques that are common to intermediate and advanced Java programs. The first part of the book provides a comprehensive overview of the Java language and the Java platform, with just enough information for new developers to get started using Java right away. It’s designed to help you get the most out of versions through Java 17, with examples that show how to take advantage of modern Java APIs and development best practices. Java in a Nutshell is the reference guide every Java developer needs at their fingertips. ![]() Java-1.7.0-openjdk-devel.x86_64 1:1.7.0.71-2.5.3.1.It’s a great time to be a Java developer Java performance continues to improve, and Java 17 is the fastest release yet. How can I force yum to install this specific version of Open JDK 1.7 yum -showduplicates list java-1.7.0-openjdk-devel Is this due to hyphens in the package name? I'm trying to install 1:1.7.0.65-2.5.1.2.el6_5 version of OpenJDK by following this stackexchange answer, but I'm not able to specify the exact version number like yum install java-1.7.0-openjdk-devel-1:1.7.0.65-2.5.1.2.el6_5 ![]()
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