In Java to convert a string to int requires the class java.lang.Integer.
Primitive int
The returned result will be a primitive integer.
String number = "1234567890";
int result = Integer.parseInt(number);
System.out.println(result);
Integer object
The returned result will be an integer object.
String number = "1234567890";
Integer result = Integer.valueOf(number);
System.out.println(result);