Tagged Questions

5
votes
3answers
113 views

Using intern in java Strings

I am trying to understand Java's String class but I am having a hard time understanding the situation described below. Consider the following example snippet: String x = new String("Hey"); String y ...
0
votes
1answer
36 views

Sqlite columns to string array

How can i put every column from an android sqlite database into a different string array ? I have a database with 4 columns :id,one in which i store the date,another for the hour and another for a ...
0
votes
1answer
49 views

string manipulation : insert words at certain indexes in string, simultaneously

I have searched a lot but couldn't find anything that will allow me to insert words at certain indexes simultaneously. For example : I have a string : rock climbing is fun, I love rock climbing. ...
0
votes
2answers
40 views

How to iterate a string in order to validate values are in range using charAt()?

I am trying to iterate a string that contains the users inputed values. I want to validate that the user only enters 4 characters and that all of them are between 1 and 4. For example, prompts the ...
-4
votes
7answers
73 views

Check if piece of String is there in string java [duplicate]

i am looking for a piece of code which can search for a string in a string. String mainSTR = "It is Wednesday"; So i need a code that will return true if i search "Day" or "day" or "DAY" in ...
0
votes
0answers
49 views

Start XML parser

I am very new to Java/Android programming and need a little help with a part of code that I am writing. I have been following the "Parsing XML Data" article with no success. The intent from ...
-1
votes
0answers
24 views

Spell checking program output

I am to write a spell checking program which uses a dictionary string to find misspelled words in a test string. The program should prompt the user for the test string and the dictionary string. As ...
-2
votes
0answers
16 views

How to write a table in a mail

my feature will calculate stuff and generate a Pdf report and mail the report. I need to make a summary of the report and send a mail with the pdf report attached . Can i know how can i do it? I have ...
4
votes
3answers
100 views

Java - Coding Style : What are the cons and pros of “ABC”.equals(“SOMESTRING”) style string comparison? [duplicate]

Let me first start-of with a sample code... String password = ""; if("PIRATE".equals(password)) { // Do something } See here, the String constant or literal (whatever) "PIRATE" is used to ...
0
votes
3answers
54 views

java String.split(regex) design

I'm importing a file with umpteen lines of "##,##". Each number can be one or two digits. I'd like to use String.split(regex) to get the two numbers without the adjacent quote marks. Understanding ...
1
vote
3answers
57 views

Trimming digits at the end of String

I want to trim the last occurring numeric characters from the String Eg: "abc123" => "abc" "abc12xyz34" => "abc12xyz" Written below snippet to extract it. Just want to explore if this can be ...
0
votes
1answer
30 views

Java Format Output to Console / JTextArea with Multiple string values

Have a program which I'd like output the values from an Array. Using tab (\t) or formatting e.g (%40s) doesnt account for strings of different lengths. Current Code Below is Fine for the Headings. ...
0
votes
4answers
95 views

How does java recognizes anything in inverted commas as a string object?

If i write : String s = new String("abc"); It creates an object of type String with the value "abc". And if i write : String s = "abc"; This also creates an object with value "abc". How does ...
1
vote
5answers
41 views

Remove one blank cell before every filled cell in a string array

I am using this code : ArrayList<String> getques = db.getSolutionData(levelno, level); String str = getques.get(0); stringarr = str.split(""); ...
-2
votes
0answers
46 views

Removing one item from an array in java [on hold]

I have an inventory system and it has a few items of the same name: p.addNewItem("Human Arm"); p.addNewItem("Human Arm"); p.addNewItem("Human Arm"); How do I remove one 'Human Arm' but keep the ...

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