September 2019
Intermediate to advanced
816 pages
18h 47m
English
Content preview from Java Coding Problems
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102. Comparing two arrays lexicographically
Starting with JDK 9, we can compare two arrays lexicographically via the Arrays.compare() methods. Since there is no need to reinvent the wheel, just upgrade to JDK 9 and let's dive into it.
A lexicographic comparison of two arrays may return the following:
- 0, if the given arrays are equal and contain the same elements in the same order
- A value less than 0 if the first array is lexicographically less than the second array
- A value greater than 0 if the first array is lexicographically greater than the second array
If the first array length is less than the second array length, then the first array is lexicographically less than the second array. If the arrays have the same length, contain primitives, ...