Big Data and Hadoop Training @$80 or Rs. 6,000 only - valid till Oct 17th Apply Now!

Number Format Exception

Ads
 

Number Format Exception

NumberFormatException is a type of RuntimeException which is generated when a programmer try to convert String into integer.

NumberFormatException is a type of RuntimeException which is generated when a programmer try to convert String into integer.

Number Format Exception

In this section you will learn about Number Format Exception in java. NumberFormatException is derived from RuntimeException class, generally when a programmer tries to attempt to convert a string into integer which is not appropriate. A NumberFormatException in java occur when trying to convert a string into a number.

public class NumberFormarException {

public static void main(String args[])
{
	 
	 int in=Integer.parseInt("10");
	 System.out.println("Example = " +in );
}
}

In the above code we are trying to convert a string value 10 to int . but when we are trying to pass a value  "Rose India " to integer.parseInt() method it will raise a compile time error. Because a "Rose India" is not a legal string representation of  an int value.

public class NumberFormarException {

public static void main(String args[])
{
	
	 int in=Integer.parseInt("Rose India");
	 System.out.println("Example = " +in );
    }
  }

After compiling this above code the compile time error is like as follows:

 

Ads

Ads