// arrays/SimpleSetAll.java

// (c)2016 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://mindviewinc.com/Books/OnJava/ for more book information.

import java.util.*;

import static onjava.ArrayShow.*;

class Bob {

final int id;

public Bob(int n) { id = n; }

@Override

public String toString() { return "Bob" + id; }

}

public class SimpleSetAll {

public static final int SZ = 8;

public static int val = 1;

static char[] chars = "abcdefghijklmnopqrstuvwxyz"

.toCharArray();

static char getChar(int n) { return chars[n]; }

public static void main(String[] args) {

int[] ia = new int[SZ];

long[] la = new long[SZ];

double[] da = new double[SZ];

Arrays.setAll(ia, n -> n); // (1)

Arrays.setAll(la, n -> n);

Arrays.setAll(da, n -> n);

show(ia);

show(la);

show(da);

Arrays.setAll(ia, n -> val++); // (2)

Arrays.setAll(la, n -> val++);

Arrays.setAll(da, n -> val++);

show(ia);

show(la);

show(da);

Bob[] ba = new Bob[SZ];

Arrays.setAll(ba, Bob::new); // (3)

show(ba);

Character[] ca = new Character[SZ];

Arrays.setAll(ca, SimpleSetAll::getChar); // (4)

show(ca);

}

}

/* Output:

[0, 1, 2, 3, 4, 5, 6, 7]

[0, 1, 2, 3, 4, 5, 6, 7]

[0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0]

[1, 2, 3, 4, 5, 6, 7, 8]

[9, 10, 11, 12, 13, 14, 15, 16]

[17.0, 18.0, 19.0, 20.0, 21.0, 22.0, 23.0, 24.0]

[Bob0, Bob1, Bob2, Bob3, Bob4, Bob5, Bob6, Bob7]

[a, b, c, d, e, f, g, h]

*/