记录一下JDK的历史版本下载地址：
https://www.oracle.com/technetwork/java/javase/archive-139210.html
Java SE 1.1：https://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase11-419415.html
Java SE 1.2：https://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase12-419414.html
Java SE 1.3：https://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase13-419413.html
Java SE 1.4：https://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase14-419411.html
Java SE 5：https://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html