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hello-java/basic/c05_structures/Arrays.java at main · mouredev/hello-java · GitHub

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package basic.c05_structures;

/*

Clase 40 - Arrays

Vídeo: https://youtu.be/JOAqpdM36wI?t=11194

*/

public class Arrays {

public static void main(String[] args) {

// Declaración y creación

int[] numbers = new int[3];

System.out.println(numbers);

String[] names = {"Brais", "Moure", "mouredev"};

System.out.println(names);

// Acceso

System.out.println(numbers[0]);

System.out.println(names[0]);

System.out.println((new String[3])[0]);

// Modificación

numbers[0] = 1;

numbers[1] = 10;

System.out.println(numbers[0]);

System.out.println(numbers[1]);

// numbers[3] = 2; Error

System.out.println(names[2]);

names[2] = "mouredev@gmail.com";

System.out.println(names[2]);

System.out.println(names.length);

names[2] = null;

System.out.println(names[2]);

System.out.println(names.length);

// numbers[2] = null; Error

boolean[] booleans = new boolean[5];

System.out.println(booleans[4]);

}

}

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