Word.ws English Dictionary

safe navigation operator

safe navigation operator noun: a binary operator that returns its second argument, unless the first argument is null, in which case it returns null; used to simplify code that would otherwise need multiple explicit checks for nullity.

Noun

safe navigation operator (plural safe navigation operators)

  1. A binary operator that returns its second argument, unless the first argument is null, in which case it returns null; used to simplify code that would otherwise need multiple explicit checks for nullity.
    • One operator I haven't talked about yet is the safe navigation operator (?.). By preceding a dot with a question mark, you can safely navigate to methods or properties of an object even if that object is null.2009, Bashar Jawad, Groovy and Grails Recipes, page 57
    • The safe navigation operator (?.) provides navigation on the nested properties without getting any exception when a null value is evaluated from any of the properties iterated.2015, Mert Caliskan, Kenan Sevindik, Beginning Spring, page 278

Forms of safe navigation operator

pluralsafe navigation operators

Questions about safe navigation operator

What does safe navigation operator mean?
Safe navigation operator means a binary operator that returns its second argument, unless the first argument is null, in which case it returns null; used to simplify code that would otherwise need multiple explicit checks for nullity.
What part of speech is safe navigation operator?
Safe navigation operator is a noun.
What is the plural of safe navigation operator?
The plural of safe navigation operator is safe navigation operators.

Words near safe navigation operator in the dictionary

  1. safe hits
  2. safe house
  3. safe houses
  4. safe in the knowledge
  5. safe mode
  6. safe navigation operator
  7. safe navigation operators
  8. safe pair of hands
  9. safe pairs of hands
  10. safe place
  11. safe places

Source and license

Adapted from Wiktionary: safe navigation operator (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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