what does parseint return java code example

Example 1: integer. parseint in java

public class Test { 

   public static void main(String args[]) {
      int x =Integer.parseInt("9");
      double c = Double.parseDouble("5");
      int b = Integer.parseInt("444",16);

      System.out.println(x);
      System.out.println(c);
      System.out.println(b);
   }
}

Example 2: integer. parseint in java

static int parseInt(String s)
static int parseInt(String s, int radix)