历史版本的下载
- oracle官网:https://www.oracle.com/index.html
- 鼠标Downloads点击“Java for Developers”
选downloads,下拉最后点击download
JDK使用官方文档
JDK1.7的官方地址:http://docs.oracle.com/javase/7/docs/
选downloads,下拉最后点击download
JDK1.7的官方地址:http://docs.oracle.com/javase/7/docs/