Generate sequential number in java

Question

Generate sequential number in java

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Hello, I have a Student class with the name and license plate attributes. The user can enter the name by the setNome (), but I would like to know how to make the registration automatically generated (1, 2, 3, ...)

java

asked by anonymous 07.06.2015 / 19:50

1 answer

Error copying data from one table to another Error giving a select in two tables

score 0 · Accepted Answer

Create a class that will have the value static and will always return the value with increment, eg:

Matricula.java Generator

public class GeradorMatricula {
    private static int ID = 1;

    public static int getProximaMatricula() {
        return ID++;
    }
}

Using

public static void main(String[] argv) {
    System.out.println(GeradorMatricula.getProximaMatricula());
    System.out.println(GeradorMatricula.getProximaMatricula());
}

Output

1

2