Convert String to array of integer in java

Question

Outline how a Java program could convert a string such as “1,2,3,4,5” into an array ({1, 2, 3, 4,5})

Answer 1

String [] str = "1,2,3,4,5".split(",");
int arrayInt[] = new int[str.length];
for (int i = 0; i < str.length; i++) 
    arrayInt[i]=Integer.valueOf(str[i]);