You can use the following API to evaluate an expression

ALH.evaluate("expression")
ALH.evaluate("language", "expression")
TEXT

The following code fragment shows how to evaluate expressions in ALH API:

result = ALH.evaluate("a+b");
result = ALH.evaluate("Python", "a+b")
TEXT

If no language is defined, the default language will be used (JavaScript Rhino).

The following scripting languages are available by default:

  • BeanShell Engine [beanshell, bsh]
  • Built-in Math [Built-in Math, math, Math Engine, math engine, built-in]
  • Groovy Scripting Engine [groovy, Groovy]
  • JEXL Engine [JEXL, Jexl, jexl, JEXL2, Jexl2, jexl2]
  • JavaScript Rhino [rhino, rhino-nonjdk, js, JavaScript, javascript, ECMAScript, ecmascript, JavaScript Rhino]
  • jython [python, jython]