Casting from string to int

Question

In Java language

How can we cast an String to Integer ?
For example :
String a = "57"
int b = 43
System.out.print(a+b);
How can we convert variable a or its value to int so that we can output 100 ?

Answer 1

Integer.parseInt(a) -> Integer

Answer 2

I got it.

I need to do:
System.out.print(Integer.parseint(a)+b);