Groovy Language Documentation - Apache Groovy

The "Elvis operator" is a shortening of the ternary operator. One instance of where this is handy is for returning a 'sensible default' value if an expression resolves to false-ish (as in Groovy truth). A simple example might look like this:

Converting Conditional Build Steps to Jenkins Pipeline

The Conditional BuildStep plugin is a powerful tool that has allowed Jenkins users to write Jenkins jobs with complex conditional logic. In this post, we’ll take a look at how we might converting Freestyle jobs that include conditional build steps to Jenkins Pipeline. Unlike Freestyle jobs, implementing conditional operations in Jenkins Pipeline is trivial, but matching the behavior of ...

6. Spring Expression Language (SpEL)

6.1 Introduction. The Spring Expression Language (SpEL for short) is a powerful expression language that supports querying and manipulating an object graph at runtime. The language syntax is similar to Unified EL but offers additional features, most notably method invocation and basic string templating functionality.

Operators - Apache Groovy

Operators This chapter covers the operators of the Groovy programming language. 1. Arithmetic operators Groovy supports the usual familiar arithmetic operators you find in mathematics and in other programming languages like Java. All the Java arithmetic operators are supported. Let’s go through them in the following examples. 1.1.

The Apache Groovy programming language - Semantics

The Apache Groovy programming language - Semantics Table of contents 1. Statements 1.1. Variable definition 1.2. Variable assignment 1.2.1. Multiple assignment 1.2.2. Overflow and Underflow 1.2.3. Object destructuring with multiple assignment 1.3. Control structures 1.3.1. Conditional structures if / else switch / case 1.3.2. Looping structures

Groovy: Ternary operator says that "" is null - Stack Overflow

Tell me if I'm wrong, but these three ternary statements above should all do the same thing, namely print out "String is NOT null" if nulString is not null. If nullString is null, print out "String is null". And I think you all agree, if I initialze a variable like nullString = "" it is not null. Just because "" is not null.

The Ternary Operator in Groovy — Groovy Programming

When to use the Ternary Operator. I like to use the Ternary Operator in cases where A, B and C are reasonably small expressions. Keep in mind that readability is a big concern for software projects long-term and that some verbosity may be better than byte-saving techniques. Ternary Operator Examples in Groovy. The following examples are taken ...

[Solved] Jenkins: groovy DSL: using the ternary operator to

The first job is a FreestyleJob; The second one is a MatrixJob; Their definitions are almost the same; there are only minor differences between them. Therefore, I want to reuse most of the job code and I came to the following refactoring scenario (please focus in the fifth line, in the ternary operator):

groovy Tutorial => Ternary and Elvis Operators

groovy Ternary and Elvis Operators Fastest Entity Framework Extensions Bulk Insert Bulk Delete Bulk Update Bulk Merge Remarks # The Elvis operator evaluates based on Groovy-Truth of the condition-part. Ternary and Elvis Operators Related Examples Standard form vs Elvis form Usage (with condition) in assignment PDF - Download groovy for free

What does the question mark and the colon (?: ternary operator) mean in ...

And of course in this case as we are dropping one element, it no longer is a ternary operator but a binary operator. Binary operators include the vast majority of the operators we usually use when programming ( *, +, -, ^, |, ||, &, >>, etc). – tomacco Feb 5, 2018 at 18:07 Add a comment 189 It's the ternary or conditional operator.
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