一、下载JDK1.8
先到Oracle的官网下载JDK1.8
Java Archive | Oraclehttps://www.oracle.com/java/technologies/downloads/archive/Java Archive Downloads - Java SE 8
先到Oracle的官网下载JDK1.8
Java Archive | Oraclehttps://www.oracle.com/java/technologies/downloads/archive/Java Archive Downloads - Java SE 8