string to integer conversion

[Sanjul Jain]

Hello!

I need to change string "7777" to integer 7777, and integer 15 to string "15".

I would appreciate if you can help.

Thanks in advance,
Sanjul

[Chris Dempsey]

Well, the answer to both of your questions can be found in the Javadocs for the java.lang.Integer class.

[rahul V kumar]

You have posted the same question in your other thread.
It would be easy to follow if you post at only one place.

You should get your answers here
http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Integer.html

String to int
int i = Integer.parseInt("7777");

you can have it in a try catch block or check to make sure that the string is indeed a valid number.

[Fisher Daniel]

Hi Sanjul,
You can convert int to String using Integer.

  
String strValue = "7777";
int intValue = Integer.parseInt(strValue);
int intValue2 = new Integer(strValue).intValue();

Remember, those will throw NumberFormatException if the string doesn't contain a valid value.

And about convert int to String you can use String.

  
int intValue = 15;
String strVal1 = String.valueOf(intValue);

Oh ya... now in J2SE 5.0, there is a new feature about convert between primitive data type and its wrapper class. It is Autoboxing/unboxing.
You can read at Autoboxing

Hope this help...
Correct me if I am wrong..

daniel