What is the replacement of PermGen space in java 8?
In JDK 8.0 the Permanent Generation (PermGen) space has completely been removed and is kind of replaced by a new space called Metaspace. The consequences of the PermGen removal is that obviously the PermSize and MaxPermSize JVM arguments are ignored and you will never get a java.
Can lambda expression contains statement?
The body of a lambda expression can contain zero, one or more statements. When there is a single statement curly brackets are not mandatory and the return type of the anonymous function is the same as that of the body expression.
How do you replace nashorn?
- Create a Script Engine.
- Execute Script from the Command Line.
- Adding a Read-Eval-Print-Loop (REPL)
- The Bindings Glue.
- Adding Shortcuts to Classes.
- Adding Global Functions.
What is the use of noscript tag?
The <noscript> tag in HTML is used to display the text for those browsers which does not support script tag or the browsers disable the script by the user. This tag is used in both <head> and <body> tag.
What is the use of JJS tool in Java 8?
What is ScriptEngine in Java?
ScriptEngine is the fundamental interface whose methods must be fully functional in every implementation of this specification. These methods provide basic scripting functionality. … It includes methods that execute scripts, and ones that set and get values. The values are key/value pairs of two types.
What JSR 223?
Java Specification Request (JSR) 223: Scripting for the Java Platform addresses the issue of integrating Java and scripting languages. It defines a standard framework and application programming interface (API) to embed scripts in your Java applications and access Java objects from scripts.