StringUtils is a class belonging to Apache Commons package. It offers utility methods for dealing with strings.
Questions tagged [apache-stringutils]
112 questions
3
votes
1 answer
StringUtils class not found
I wrote a console application which reads a text file to String and then processes the file contents. I used maven in my project, enabled autoimport, added proper dependencies but still, when I try to process the String by using replace() method…
JacekDuszenko
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3
votes
3 answers
Understanding StringUtils.join performance decisions
I was looking at the implementation of Apache Commons' StringUtils.join method and stumbled upon a line I assume is thought for performance but I don't understand why they did it the way it is, with those specific values.
Here's the…
dabadaba
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3
votes
1 answer
StringUtils.countMatches() isn't working for tab char
I am validating a csv file with content like:
TEST;F;12345;0X4321 - 1234 DUMMYTEXT;0X4321 - 1234 TESTTEXT
Until now, the values were seperated by ';' and the method worked like a charm:
private static final String COLUMN_SEPARATOR = ";";
public…
SME_Dev
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3
votes
3 answers
Use case for String split
I want code snippet for splitting the below string:
Input : select * from table where a=? and b=? and c=?
Output:
Str1: select * from table where a=?
Str2: and b=?
Str3: and c=?
I do not want to use indexof as of now, whether…
Rahul
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3
votes
5 answers
Possible null pointer exception in string utils
I am using commons StringUtils.isNotBlank() to check if a string is not empty and blank. In some scenarios for a blank string or a null as input validation is not happening as expected. Null or blank is getting through.
if(…
om39a
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2
votes
4 answers
How to replace multiple occurrence of same regex pattern in a String with different values in Java
Consider a sample example as below:
String string = "Hi$?Hello$?".
In the string object the "$?" is the regex pattern.
The first occurrence of the $? has to replaced with "there" and second occurrence of the $? has to replaced with "world".
How to…
Vishal
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2
votes
1 answer
How to remove a comma from a particular field in csv file in java
My code below is printing the columns with the data. I tried putting escapeCsv method of StringEscapeUtils but comma does not still go from the name…
Aria
- 47
- 6
2
votes
2 answers
String.split vs StringUtils.split in Java gives different results
Consider a string like below with delimiter __|__.
String str = "a_b__|__c_d";
str.split("__\\|__") gives 2 splits a_b and c_d
StringUtils.split(str, "__|__") or StringUtils.split(str, "__\\|__") gives 4 splits a, b, c, d which is not desired.
Is…
user1013528
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2
votes
3 answers
remove extra white space and invisible chars from string using java
I have a big conversation, I am handling it as String in between the string there are many white spaces may be invisible non word characters also.
Below is an example string:
public static void main(String[] args) {
String str = " TWD day count…
Sanvi
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- 9
2
votes
1 answer
NoClassDefFoundError for apache/commons/lang/StringUtils
I want to use commons-lang3 in my project, with Android Studio.
Here is my gradle configuration:
compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.4'
Gradle build is done without error, I can use StringUtils. But in runtime,…
Florian Mac Langlade
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2
votes
1 answer
Add exclude apache.commons.lang3 from net.sourceforge.dynamicreports
I want to add a dependency in my project to use dynamic report, i found this:
net.sourceforge.dynamicreports
dynamicreports-core
4.0.0
but when i…
Sidaoui Majdi
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2
votes
1 answer
How can I get Ant to "chomp" newlines at the end of files?
I'm using the Ant LoadFile task to read the version from a file in the repository root.
Anthony Mastrean
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2
votes
4 answers
toString() in POJO Class
Is it required to add toString() in all the POJO classes?
Its kind of a very basic question but I am worried about writing a piece of code in each n every POJO classes.
I have followed many java sources and I found a common things in those POJO…
Mithun Khatri
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2
votes
2 answers
Apache StringUtils Split Function does Crazy
I was wondering about this crazy thing in StringUtils.split(string,separator);
I want to separate a string using a separator @@--@@ and my code goes like this.
String[] strings =…
ashokramcse
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2
votes
1 answer
Limitation of Decimal places of String datatype from database to HTML page
I'm getting the String type decimal number from the local database.
And
I viewed three decimal places in my UI application(html page).so now i need to limit it as 2 deciaml places.
Example String Amount = "123.786";
change the amount decimal value …
Yellow Flash
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