sum of arrays numbers in java
public static void main(String[] args) { String str = "a1b2c3d4"; char[] arr = str.toCharArray(); // stringi char array return etti. System.out.println(Arrays.toString(arr)); // [a, 1, b, 2, c, 3, d, 4] int sum = 0; // will contain sum of all digits for(char each : arr ){ // '0' if( Character.isDigit(each) ){ // isDigit(): identifies if the given character is digit sum += Integer.parseInt(""+each); } } System.out.println(sum); // 10
