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I have an array with 3 players, and 2 others arrays array_power_1 and array_power_2.

String[] array_Player = {"Celine", "Amelia", "Sandrine"}; int[] array_power_1 = {4,8,10}; int[] array_power_2 = {1,4,4};

In fact, I would like to add for each player the number of power.

For example:

Celine 5 Amelia 12 Sandrine 14

I think that I have to create an empty array ?

int[] array_Power = new int [array_power_1.length + array_power_2.length];

However, it doesn't work...

class Main { public static void main(String[] args) { String[] array_Player = {"Celine", "Amelia", "Sandrine"}; int[] array_power_1 = {4,8,10}; int[] array_power_2 = {1,4,4}; int[] array_Power = new int [array_power_1.length + array_power_2.length]; display(array_Player, array_Power); } public static void display(String[] array_Player, int[] array_Power ){ for(int i=0; i<array_Player.length; i++){ System.out.println(array_Player[i] + " " + array_Power[i]); } } }
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1 Answer 1

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Try:

public static void main(String[] args) throws IOException { final int SIZE = 3; String[] array_Player = {"Celine", "Amelia", "Sandrine"}; int[] array_power_1 = {4,8,10}; int[] array_power_2 = {1,4,4}; if(array_power_1.length == SIZE && array_power_2.length == SIZE && array_Player.length == SIZE) { int[] array_Power = new int [array_power_1.length + array_power_2.length]; display(array_Player, array_Power, array_power_1, array_power_2); } } private static void display(String[] array_Player, int[] array_Power, int[] array_power_1, int[] array_power_2) { for(int i=0; i<array_Player.length; i++){ array_Power[i] = array_power_1[i] + array_power_2[i]; System.out.println(array_Player[i] + " " + array_Power[i]); } }

Output:

enter image description here

Explanation:

  1. Added if(array_power_1.length == SIZE && array_power_2.length == SIZE && array_Player.length == SIZE) because it will proceed only if SIZE of all array are same.
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