
What is the "?:" operator used for in Groovy? - Stack Overflow
2016年1月5日 · The following code examples all produce the same results where x evaluates to true according to Groovy Truth // These three code snippets mean the same thing. // If x is true …
What is the difference between ==~ and != in Groovy?
In Groovy you also have to be aware that in addition to ==~, alias "Match operator", there is also =~, alias "Find Operator" and ~, alias "Pattern operator". All are explained here. ==~ result …
variables - What does [:] mean in groovy? - Stack Overflow
2017年9月6日 · While reading some groovy code of another developer I encountered the following definition: def foo=[:] What does it mean?
Groovy executing shell commands - Stack Overflow
Groovy adds the execute method to String to make executing shells fairly easy; println "ls".execute().text ...
grails - Using "$" in Groovy - Stack Overflow
2017年8月14日 · In a GString (groovy string), any valid Groovy expression can be enclosed in the ${...} including method calls etc. This is detailed in the following page . Share
What is the groovy << operator mean in this context?
In groovy, the bitwise operators can be overridden with the leftShift (<<) and rightShift (>>) methods defined on the class. It's idiomatic groovy to use the leftShift method for append …
Groovy: meaning of 'this' inside a closure - Stack Overflow
"this" in a block mean in Groovy always (be it a normal Java-like block or a Closure) the surrounding class (instance). "owner" is a property of the Closure and points to the embedding …
Groovy - How to compare the string? - Stack Overflow
2014年1月25日 · .equals() does not behave the same in Groovy as it does in Java. Example here-- scroll down to 'GString and String'. Basically both items have to be of the same type of String …
Groovy different results on using equals () and == on a GStringImpl
2017年4月12日 · In groovy a == b checks first for a compareTo method and uses a.compareTo(b) == 0 if a compareTo method exists. Otherwise it will use equals . Since Strings and GStrings …
groovy - Is it possible to create object without declaring class ...
2012年2月16日 · In Groovy you must always provide the class of an object being created, so there is no equivalent in Groovy to JavaScript's object-literal syntax. However, Groovy does …