经典错误重现->Java RunTime Environment (JRE) or Java Development Kit (JDK) must be available in order to

经常碰到这种错误，错误代码如下：

Java RunTime Environment (JRE) or Java Development Kit (JDK) must be available in order to run STS,No Java Virtual machine was found after searching the following locations:..............................................javaw.exe in your current PATHJava RunTime Environmen