Unable to read the string properly

[Karthik Sanyasi]

Hi,

When I'm trying to replace a particular character "\" in the String to "/". It gives me a different output as "02?0" for my program. After browsing I understood that this character "\" while reading, java reads it like an escaped character.

So can anyone help me in this that gives me the resulting output as "02/13/2010"

public class StringToDate {
public static void main(String[] args) {
String s = "02\13\2010";
String str = s.replace("\\","/");
System.out.println(str);
}

}

Output is: 02?0

The Output that I'm expecting is : 02/13/2010

[Paul Clapham]

String s = "02\13\2010";

That string doesn't contain any backslash characters. Print it out to see what it actually looks like. You should have this instead:

String s = "02\\13\\2010"; 

[Campbell Ritchie]

And welcome to the Ranch

[Karthik Sanyasi]

Tnx Paul for the quick reply.
I see what you saying.
So basically when I'm reading a string of some text file, and if that text has 02\13\2010 then the string reads it like 02\\13\\2010. If that's your point then what's the way that I can replace that character to "/" and get my resulting output as 02/13/2010.

I tried it like as you said but still I get the output as "02\13\2010" and not "02/13/2010"

public class StringTodDate1 {
	public static void main(String[] args) {
		String s1 = "02\13\2010";
		String s2 = "02\\13\\2010";
		System.out.println(s1);
		System.out.println(s2);

                // I did like this because the regular expression for \\ is "\\\\"
		String s3 = s1.replace("\\\\", "/");
		String s4 = s2.replace("\\\\", "/");
		System.out.println(s3);
		System.out.println(s4);
	}
}

Output s1: 02?0
Output s2: 02\13\2010
Output s3: 02?0
Output s4: 02\13\2010

[Campbell Ritchie]

Please use the code button; since you are new I have edited your post and you can see how much better it looks.

[Wouter Oet]

Karthik Sanyasi wrote:So basically when I'm reading a string of some text file, and if that text has 02\13\2010 then the string reads it like 02\\13\\2010. If that's your point then what's the way that I can replace that character to "/" and get my resulting output as 02/13/2010.

No when you read 02\13\2010 from an input source the String will contain 02\13\2010. However when you use a String literal in your code then you need to escape the backslashes. So that becomes:
String s = "02\\13\\2010";

[Shanky Sohar]

Welcome to JavaRanch.