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This article introduces the relevant knowledge of "what are the three overloads of java Reduce". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Reduce of a parameter

Format

Optional reduce (BinaryOperator accumulator) T result = a [0]; for (int I = 1; I < n; iTunes +) {result = accumulator.apply (result, a [I]);} return result

2. Reduce of two parameters

Format

T reduce (T identity, BinaryOperator accumulator) T result = identity;for (int I = 0; I < n; iTunes +) {result = accumulator.apply (result, a [I]);} return result

3. The Reduce of three parameters, in which get and set methods are omitted.

Format

U reduce (U identity, BiFunction accumulator,BinaryOperator combiner); static class ScoreBean {private String name; / / student name private int score; / / score, you need to summarize the field public ScoreBean (String name, int score) {this.name = name;this.score = score;} / / get and the set method omits} "what are the three overloads of java Reduce". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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