René's URL Explorer Experiment

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{"@context":"http:\/\/schema.org","@type":"Article","dateCreated":"2012-11-11T19:48:08+02:00","datePublished":"2012-11-11T19:48:08+02:00","dateModified":"2013-10-02T21:39:04+03:00","headline":"Evaluate a simple script","name":"Evaluate a simple script","keywords":"core java,script","url":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/script\/evaluate-a-simple-script\/","description":"This is an example of how to evaluate a simple script in Java.\u00a0We are using the ScriptEngine interface, that provides methods for basic scripting functionality. Applications written to this simple int","copyrightYear":"2012","articleSection":"script","articleBody":"This is an example of how to evaluate a simple script in Java.\u00a0We are using the  ScriptEngine interface, that provides methods for basic scripting functionality. Applications written to this simple interface are expected to work with minimal modifications in every implementation. It includes methods that execute scripts, and ones that set and get values. Evaluating a script implies that you should:Create a new ScriptEngineManager. The ScriptEngineManager implements a discovery and instantiation mechanism for ScriptEngine classes and also maintains a collection of key\/value pairs storing state shared by all engines created by the Manager.\tUse the getEngineByExtension(String extension) method to look up and create a ScriptEngine for a given extension.\tUse the eval(String script) method to execute a script.\r\nLet\u2019s take a look at the code snippet that follows: \u00a0\r\n\r\npackage com.javacodegeeks.snippets.core;\r\n\r\nimport javax.script.ScriptEngineManager;\r\nimport javax.script.ScriptEngine;\r\nimport javax.script.ScriptException;\r\n \r\npublic class EvaluateScriptExample {\r\n    public static void main(String[] args) {\r\n\r\n  \r\n    \t\/\/ Create script engine instance and get extension\r\n\r\n  ScriptEngineManager manager = new ScriptEngineManager();\r\n\r\n  ScriptEngine js = manager.getEngineByExtension(\"js\");\r\n \r\n\r\n  try {\r\n\r\n\r\n\/\/ Evaluate script\r\n\r\n\r\njs.eval(\"print('Hello JavaCodeGeeks Fellow')\");\r\n\r\n  } catch (ScriptException e) {\r\n\r\n\r\ne.printStackTrace();\r\n\r\n  }\r\n    }\r\n}\r\n\r\n\r\nOutput:\r\n\r\nHello JavaCodeGeeks Fellow\r\n\r\n \u00a0\r\nThis was an example of how to evaluate a simple script\u00a0in Java.","publisher":{"@id":"#Publisher","@type":"Organization","name":"Examples Java Code Geeks","logo":{"@type":"ImageObject","url":"\/wp-content\/uploads\/2013\/05\/JavaCodeGeeks-logo.png"},"sameAs":["https:\/\/feeds.feedburner.com\/examplesjavacodegeeks","https:\/\/www.facebook.com\/javacodegeeks","https:\/\/twitter.com\/javacodegeeks","https:\/\/www.linkedin.com\/groups\/3810709\/","https:\/\/www.youtube.com\/channel\/UCxoUc7Rar2q90Gu0nT2ffuQ","https:\/\/github.com\/javacodegeeks\/"]},"sourceOrganization":{"@id":"#Publisher"},"copyrightHolder":{"@id":"#Publisher"},"mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/examples.javacodegeeks.com\/java-development\/core-java\/script\/evaluate-a-simple-script\/","breadcrumb":{"@id":"#Breadcrumb"}},"author":{"@type":"Person","name":"Ilias Tsagklis","url":"https:\/\/examples.javacodegeeks.com\/author\/ilias-tsagklis\/"},"image":{"@type":"ImageObject","url":"https:\/\/examples.javacodegeeks.com\/wp-content\/uploads\/2012\/12\/java-logo.jpg","width":1200,"height":150}}