Java - parseInt() Method

Description

This method is used to get the primitive data type of a certain String. parseXxx() is a static method and can have one argument or two.

Syntax

Following are all the variants of this method −

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

Parameters

Here is the detail of parameters −

• s − This is a string representation of decimal.

• radix − This would be used to convert String s into integer.

Return Value

• parseInt(String s) − This returns an integer (decimal only).

• parseInt(int i) − This returns an integer, given a string representation of decimal, binary, octal, or hexadecimal (radix equals 10, 2, 8, or 16 respectively) numbers as input.

Example

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);
   }
}

This will produce the following result −

Output

9
5.0
1092