J Find First?.md

Data Set

   List<Footballer> getFootballers() {
        return List.of(
                new Footballer("Messi", 32, Gender.MALE, List.of("CF","CAM", "RF")),
                new Footballer("Ibrahim", 28, Gender.MALE, List.of("CF", "CAM", "LF")),
                new Footballer("Arthur", 23, Gender.MALE, List.of("CM", "CAM")),
                new Footballer("Cristiano Ronaldo", 27, Gender.MALE, List.of("GK")),
                new Footballer("Surinder", 20, Gender.MALE, List.of("CM", "CDM")),
                new Footballer("Jennifer", 29, Gender.FEMALE, List.of("CF", "CAM")),
                new Footballer("Jana", 17, Gender.FEMALE, List.of("CB")),
                new Footballer("Alexia", 25, Gender.FEMALE, List.of("CAM", "RF", "LF"))
        );
    }

Find First:

findFirst() returns an Optional for the first entry in the stream; the Optional can, of course, be empty.

        Integer findFirst = List.of(4, 1, 3, 7, 5, 6, 2, 28, 15, 29)
        .parallelStream()
        .filter(number -> number > 5)
        .findFirst()
        .get();

        System.out.

println("findFirst = "+findFirst);
//prints findFirst = 7

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