J2SE 1.5 Formatted Input Question

[Matt]

If we have input Joe 25 in command line, then we are able to parse it
by following code:

Scanner s = new Scanner(System.in);
String name = s.next();
String age = s.nextInt();
s.close();


However, what if the input is 10:25:33? Are we able to parse it like
sscanf in C? Like the following C code?

char* buf = "10:25:33";
sscanf(buf, "%d:%d:%d", &h, &m, &s);

Please advise. thanks!!

 

[Real Gagnon]

However, what if the input is 10:25:33? Are we able to parse it like

sscanf in C? Like the following C code?

char* buf = "10:25:33";
sscanf(buf, "%d:%d:%d", &h, &m, &s);

Please advise. thanks!!

import java.util.*;

class TestScanner {
public static void main(String args[]) {
String input = "10:11:12";
Scanner sc = new Scanner(input).useDelimiter(":");
while (sc.hasNextLong()) {
int i = sc.nextInt();
System.out.println(i);
}
}
}


Bye.

 

[Real Gagnon]

while (sc.hasNextLong()) {

oups, replace with sc.hasNextInt()

Bye.

 

[Eric Reitmaier]

However, what if the input is 10:25:33? Are we able to parse it like

sscanf in C? Like the following C code?

char* buf = "10:25:33";
sscanf(buf, "%d:%d:%d", &h, &m, &s);

Please advise. thanks!!

I guess you will work with date/time data, why don't use SimpleDateFormat?
(In this example it is started from Jan 01 1970)

import java.text.SimpleDateFormat;
import java.util.*;

public class DateFormatTest {

public static void main(String[] cmdArgs) throws Exception {
String input = "10:25:33";

SimpleDateFormat sdfInput = new SimpleDateFormat("hh:mm:ss");
Date date = sdfInput.parse(input);
System.out.println(date);
}
}

$ java DateFormatTest
Thu Jan 01 10:25:33 MET 1970

-
Eric