how to use scanner correctly
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how do i declare a scanner object, filescan publicly so that i may use filescan in varios functions
i found this statement in a forum---->
private static Scanner scanner = new Scanner (1 3 4 4");
when I modified it to----->
public static Scanner filescan = new Scanner(new File("inputdata.txt"));
//declared in the main
i get the following error message
Illegal modifier for parameter scanner; only final is permitted
Thank you guys
i found this statement in a forum---->
private static Scanner scanner = new Scanner (1 3 4 4");
when I modified it to----->
public static Scanner filescan = new Scanner(new File("inputdata.txt"));
//declared in the main
i get the following error message
Illegal modifier for parameter scanner; only final is permitted
Thank you guys
Yes ..
it has to be simply
FYI :
Scanner is from - java.util.Scanner
A simple text scanner which can parse primitive types and strings using regular expressions.
A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace. The resulting tokens may then be converted into values of different types using the various next methods.
For example, this code allows a user to read a number from System.in:
it has to be simply
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Scanner filescan = new Scanner(new File("inputdata.txt"));
FYI :
Scanner is from - java.util.Scanner
A simple text scanner which can parse primitive types and strings using regular expressions.
A Scanner breaks its input into tokens using a delimiter pattern, which by default matches whitespace. The resulting tokens may then be converted into values of different types using the various next methods.
For example, this code allows a user to read a number from System.in:
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Scanner sc = new Scanner(System.in);
int i = sc.nextInt();
"The most important single aspect of software development is to be clear about what you are trying to build." - Bjarne Stroustrup
public class praogram1
{
Scanner scanner = new Scanner (new File ("t.txt"));
public static void main(String[] args)
{
}
}ok..im tryin to define it at the class level and i run into this issue now. How do i throw an IOException at this level
Default constructor cannot handle exception type FileNotFoundException thrown by implicit super constructor. Must define an explicit constructor
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