JspEngineInfo (Jakarta Server Pages API documentation)

java.lang.Object
- jakarta.servlet.jsp.JspEngineInfo

```
public abstract class JspEngineInfo
extends Object
```
The JspEngineInfo is an abstract class that provides information on the current JSP engine.

Constructor Summary

Constructors
Constructor Description

JspEngineInfo()
Sole constructor.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract String`	`getSpecificationVersion()`	Return the version number of the JSP specification that is supported by this JSP engine.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - JspEngineInfo
```
public JspEngineInfo()
```
    Sole constructor. (For invocation by subclass constructors, typically implicit.)
- Method Detail
  - getSpecificationVersion
```
public abstract String getSpecificationVersion()
```
    Return the version number of the JSP specification that is supported by this JSP engine.
    Specification version numbers that consists of positive decimal integers separated by periods ".", for example, "2.0" or "1.2.3.4.5.6.7". This allows an extensible number to be used to represent major, minor, micro, etc versions. The version number must begin with a number.
    
    Returns:
    
    the specification version, null is returned if it is not known