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Contents

## Hints

The `foldLeft` and `foldRight` methods are "fold" functions, which is a concept well-known in the functional programming world, but less so in the object-oriented one. See the Wikipedia page on folding for [general background](https://en.wikipedia.org/wiki/Fold_(higher-order_function)) and [signature/implementation hints](https://en.wikipedia.org/wiki/Fold_(higher-order_function)#Linear_folds).

Version data entries

52 entries across 52 versions & 1 rubygems

Version Path
trackler-2.2.1.42 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.41 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.40 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.39 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.38 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.37 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.36 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.35 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.34 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.33 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.32 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.31 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.30 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.29 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.28 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.27 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.26 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.25 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.24 tracks/java/exercises/list-ops/.meta/hints.md
trackler-2.2.1.23 tracks/java/exercises/list-ops/.meta/hints.md