Tagged Questions
0
votes
6answers
50 views
initializing and passing strings in java
I am trying to make a simple coin toss simulation in Java, and after playing around with initializations and such, I can't get the String side initialization to be overridden by the toss simulation.
...
-3
votes
2answers
65 views
How to split string in java when there are multiple criterias to split [duplicate]
To split a paragraph into an array of individual words (say a string array), the most common answer would be something like:
String para = "ameya needs to win this cup.";
String[] abc = ...
-2
votes
4answers
60 views
Java - Compare SimpleDateFormat to String
I haven't been able to figure out how to compare a SimpleDateFormat to a String due to my unfamiliarities with Java. The problem seems to be in these lines:
SimpleDateFormat today = new ...
-2
votes
0answers
48 views
how String made immutable in java? [closed]
i am pretty clear about why Strings are immutable in java but my question is how API developers made it immutable??
i guess this is not due to just final modifier because it just prevents from ...
0
votes
1answer
23 views
Pixels that text will give
Would it be possible to get the width of a string based on its font?
So for example, if the font size is 40, and the string was "hi", could you do 2*40.
An example of this would be
startX = 260; ...
-4
votes
1answer
48 views
Java - Get specific word from string [closed]
I have a string that is like this:
String programList = "List of programs: explorer.exe, conhost.exe, java.exe, something.exe..";
I want to create every word that has the ".exe" to its own string, ...
2
votes
4answers
50 views
How to name an object reference after a String [duplicate]
For example, we have
String name = "Peter";
and we want the particular instance of a hypothetical Employee to be named after this string, as in
Employee ____ = new Employee(...);
So what do I ...
0
votes
3answers
58 views
How to ignore characters before and after my pattern?
I need some help creating a regex (in java) to find a pattern like:
(30.6284, -27.3493)
It's roughly a latitude longitude pair. Building from smaller pieces, I've come up with this:
String def = ...
1
vote
4answers
47 views
Java Cast from Object to long to String
Here's the situation, I have an Object in a Map which I explicitly know to contain an instance of Long and I need to turn that value into a string but keep getting incompatible type errors. Here's ...
0
votes
1answer
25 views
Convert Points to textual representation
Let's say I have two Points
new Point(80,40);
new Point(40,80);
And I want to convert them to end up as one string, a String representation.
01
10
Where 1 is a point, and 0 is empty space. You ...
0
votes
1answer
28 views
Converting a byte array (byte[]) to String changes one special character
In Java, I try to convert a byte array (byte[]) xml into a string using:
String output = new String(myXMLbyteArray, "UTF-8");
This is successful except for one special character, the acute ...
0
votes
3answers
56 views
How to compare two StringBuffer Objects using .equals() method? [duplicate]
The following code did not work. Can anyone tell me what's wrong with the following code. Logically it should work...
package assignments;
import java.io.BufferedReader;
import java.io.IOException;
...
0
votes
3answers
55 views
Pattern.compile.split vs StringBuilder iteration and substring
I have to split a very large string in the fastest way possible and from what research i did i narrow it down to 2 possibilities:
1.Pattern.compile("[delimiter]").split("[large_string]");
2. Iterate ...
0
votes
2answers
33 views
RegEx to split string based on operators and retain operator in answer
I want to split string based on few operands.
For e.g.
String : a&&(b||c)
ANS : String[] {a,&&,(,||,c,)}
IS it possible with java RegEx? If yes then how?
I tried with ...
-6
votes
1answer
38 views
Adding date-time at the end of a String in Java? [duplicate]
I want to add the date and time of the creation of a file at the end of its path-String? So I need to get the creation time of this file from the system and concat it to the end of the String. What is ...