初学java，总是搞不清楚java的IDE eclipse要对应哪个版本的jdk，查找了几天资料，终于找到相关描述了。为了方便记忆，摘抄下来。
Installing Eclipse is relatively easy, but does involve a few steps and software from at least two different sources. Eclipse is a Java-based application and, as such, requires a Java runtime environment (JRE) in order to run.
Eclipse 4.7 (Oxygen)
Eclipse 4.7 (Oxygen) was released on June 28, 2017. Oxygen.2 is the supported release. See Oxygen schedule.
Consider using the Installer. Please see 5 Steps to Install Eclipse.
A Java 8 or newer JRE/JDK is required to run all Oxygen packages based on Eclipse 4.7, including running the Installer. The reasoning behind requiring Java 8 are discussed here.
Eclipse 4.6 (Neon)
Eclipse 4.6 (Neon) was released on June 22, 2016. See Neon schedule.
Consider using the Installer. Please see 5 Steps to Install Eclipse.
A Java 8 JRE/JDK is required to run all Neon packages based on Eclipse 4.6, including the Installer. The reasoning behind requiring Java 8 are discussed here.
Eclipse 4.5 (Mars)
Eclipse 4.5 (Mars) was released on June 24, 2015.
Consider using the Installer! Please see 5 Steps to Install Eclipse.
A Java 7 JRE/JDK is required for all Mars package downloads based on Eclipse 4.5, including the Installer. Information concerning tested configurations for Eclipse 4.5 is provided here.
Eclipse 4.4 (Luna)
Eclipse 4.4 (Luna) was released on June 25, 2014.
A Java 7 JRE/JDK is required for most of the Luna package downloads based on Eclipse 4.4. Information concerning tested configurations for Eclipse 4.4 is provided here.
Eclipse 4.3 (Kepler)
Eclipse 4.3 (Kepler) was released in June 2013.
A Java 6 JRE/JDK is recommended for Eclipse 4.3. More information concerning tested configurations for Eclipse 4.3 is provided here.
文章转自：http://wiki.eclipse.org/Eclipse/Installation