Java parseInt() Method

Java Number Class

The parseInt() method parses a string argument as a signed decimal integer.

If the method has two parameters, the string argument is parsed as a signed integer in the radix specified by the second parameter.

Syntax

All Number-derived class parseInt methods have a format similar to the following:

static int parseInt(String s)

static int parseInt(String s, int radix)

Parameters

• s-- a string in decimal representation.

• radix-- the specified radix.

Return Value

• parseInt(String s):Returns the integer value represented by the argument in decimal.

• parseInt(int i):The integer represented by the string argument in the specified radix (the radix can be in base 10, 2, 8, or 16, etc.).

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);
    }
}

Compile the above program; the output is:

9
5.0
1092

Java Number Class