sum numbers in array java
public class Exercise2 {
public static void main(String[] args) {
int my_array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
int sum = 0;
for (int i : my_array)
sum += i;
System.out.println("The sum is " + sum);
}
}sum numbers in array java
public class Exercise2 {
public static void main(String[] args) {
int my_array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
int sum = 0;
for (int i : my_array)
sum += i;
System.out.println("The sum is " + sum);
}
}how to add a number to an array in java
List<Integer> myList = new ArrayList<Integer>();
myList.add(5);
myList.add(7);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;how to add to an array
var ar = ['one', 'two', 'three'];
ar[3] = 'four'; // add new element to arCopyright © 2021 Codeinu
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