使用PL/SQL Developer时，会提示缺少快捷方式，

然后选择sqldeveloper.exe代替.bat文件后

会提示让选择JDK中的java.exe，然后根据自己的JDK安装路径选择bin文件夹下的java.exe；

然而会提示错误：

根据Stackflow上一篇文章，找到了相关解决方案：

Oracle SQL developer is NOT support on 64 bits JDK. To solve it, install a 32 bits / x86 JDK and update your SQL developer config file, so that it points to the 32 bits JDK.

Fix it! Edit the “sqldeveloper.conf“, which can be found under “{ORACLE_HOME}\sqldeveloper\sqldeveloper\bin\sqldeveloper.conf“, make sure “SetJavaHome” is point to your 32 bits JDK.

Update:Based on @FGreg answer below, in the Sql Developer version 4.XXX you can do it in user-specific config file:

Go to Properties -> Help -> About