how to add element to end of array java
public static void main(String[] args) {
int[] array = new int[] {1, 2, 3};
System.out.println(Arrays.toString(array));
array = Arrays.copyOf(array, array.length + 1); //create new array from old array and allocate one more element
array[array.length - 1] = 4;
System.out.println(Arrays.toString(array));
}java add element to existing array
//original array
String[] rgb = new String[] {"red", "green"};
//new array with one more length
String[] rgb2 = new String[rgb.length + 1];
//copy the old in the new array
System.arraycopy(rgb, 0, rgb2, 0, rgb.length);
//add element to new array
rgb2[rgb.length] = "blue";
//optional: set old array to new array
rgb = rgb2;Copyright © 2021 Codeinu
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