to string array int code example
Example 1: converter int array para string java
int[] array = { 1, 2, 3, 4, 5 };
String s = String.join("", IntStream.of(array).mapToObj(String::valueOf).toArray(String[]::new));
System.out.println(s); // 12345
Example 2: convert array string to number
// CONVERT ARRAY STRING TO ARRAY NUMBER
const arrStr = ["1", "3", "5", "9"];
const nuevo = arrStr.map((i) => Number(i));
console.log(nuevo);
// [1,3,5,9];