slash « character « Java Data Type Q&A

1. How to replace a special character with single slash

I have a question about strings in Java. Let's say, I have a string like so:

String str = "The . startup trace ?state is info?";
As the string contains the special character ...

2. send back slash character in json, response code 500

I am trying to send a message via JSONObject over http.

JSONObject s=new JSONObject();
s.put("addresses", sno);
OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
wr.write( s.toJSONString());
// Get the response
BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream()));
Message is like: ...

3. Java - Forward Slash Escape Character

Can anybody tell me how I use a forward slash escape character in Java. I know backward slash is \ \ but I've tried \ / and / / with no ...

4. A simple scenario in Java where replacing a single character with a back slash requires four back slashes

Let's consider the following code snippet in Java.

package escape;

final public class Main
    public static void main(String[] args)
    {        ...

5. problems with replaceAll and slash character

package trivia; import static java.lang.System.err; import static java.lang.System.out; public class SlashReplacement { private String text; private String regex; private String replacement; public SlashReplacement(String text, String regex, String replacement) { this.text = text; this.regex = regex; this.replacement = replacement; /* * You can try different combinations of \\ by commenting and un-commenting the * following lines */ // this.replacement = "\\" // ...