Stringutils

Capitalize First Letter of a String in Java using Apache Commons Lang

In this article we show how to use StringUtils of Apache Commons Lang library to capitalize the first character of a Java String by using StringUtils.capitalize() utility method.

Abbreviates a String using ellipses in Java using Apache Commons Lang

In this post we show how to use Apache Commons Lang library to abbreviate a String using ellipses. We provide multiple Java code examples on how to use StringUtils.abbreviate() utility method to achieve our goal.

Check if a String is a valid numeric value in Java using Apache Commons Lang

In this article we show you how to use different utility classes in Apache Commons Lang library to check if a String is a valid number in Java. We provide different working code examples how to use methods such as NumberUtils.isCreatable(), NumberUtils.isDigits() or StringUtils.isNumeric().

Java Find Difference between two Strings using StringUtils Apache Commons Lang

In this post we will show you Java example code how to find the difference between two Strings using StringUtils utility class of Apache Commons Lang library.

Java check String is empty or blank or contains text using StringUtils Apache Commons Lang

In this post we are going to learn how to use StringUtils utility class of Apache Commons Lang library in Java application to check if a string contains text, an empty string or a blank string.

adler32 agefilefilter aop apache-commons apache-commons-codec apache-commons-compress apache-commons-csv apache-commons-io apache-commons-lang apache-commons-text apache-log4j-2 apache-pdfbox apache-poi applicationcontext applicationcontextaware archiveexception archiveinputstream archivestreamfactory array arraydeque arraylist arraylist-to-json-file arrayutils ascii aspectj autolinkextension base32 base64 bigdecimal biginteger biginteger-abs biginteger-add biginteger-bytevalue biginteger-bytevalueexact biginteger-compareto biginteger-constructor biginteger-divide biginteger-doublevalue biginteger-equals biginteger-floatvalue biginteger-intvalue biginteger-intvalueexact biginteger-longvalue biginteger-longvalueexact biginteger-max biginteger-min biginteger-multiply biginteger-negate biginteger-pow biginteger-shortvalue biginteger-shortvalueexact biginteger-subtract biginteger-tostring biginteger-valueof binarycodec bufferedimage bufferedinputstream bufferedoutputstream bufferedreader bufferedwriter byte byte-array calendar caseformat caseutils char char-array character charsequence charsetutils charutils checksum chronology class classloader classloader-getresourceasstream classloaderutils classpath classpath-json-file-to-hashmap classpath-json-file-to-list classpath-json-file-to-object classpath-resource classpathresource classpathutils classutils collections color commandlinerunner commonmark commonmark-autolink commonmark-ext-autolink commonmark-ext-gfm-strikethrough commonmark-ext-gfm-tables commonmark-ext-heading-anchor commonmark-ext-image-attributes commonmark-ext-ins commonmark-ext-task-list-items commonmark-ext-yaml-front-matter commonmark-extension commonmark-gfm-tables commonmark-heading-anchor commonmark-image-attributes commonmark-ins commonmark-strikethrough commonmark-task-list-items commonmark-yaml-front-matter commons-codec comparator compare console convert copy cpu crc32 create crop-image crypto csv csvformat csvparser csvprinter csvrecord data date date-and-time datetime datetimefieldtype datetimeformatter datetimeformatter-ofpattern datetimezone decimalformat delete directory double download dozer duration durationfieldtype embedded-servlet-container enum escape-url escape-xml escaper ethiopicchronology excel excludefieldswithmodifiers excludefieldswithoutexposeannotation exclusionstrategy fastjson file file-system file-transfer filecopyutils filefilter fileinputstream filenameutils fileoutputstream filereader fileutils filewriter float ftp gfm-tables github-flavored-markdown google-guava gradle gregorianchronology gson gson-exclude-fields gson-fromjson gson-jsonreader gson-jsonwriter gson-since gson-tojson gson-typetoken gson-versioning gsonbuilder gsonbuilder-setversion hashmap-to-json hashmap-to-json-file headinganchorextension html html-parser htmlrenderer image-file imageattributesextension imageio imgscalr inputstream insextension instant int integer interface interval ioutils ip isochronology iterator jackson jackson-databind jackson-dataformat-yaml jar java java-commonmark java-io java-jwt java-nio jedis jetty joda-chronology joda-datetime joda-datetimecomparator joda-datetimefieldtype joda-datetimeformat joda-datetimeformatter joda-datetimeutils joda-datetimezone joda-days joda-duration joda-durationfieldtype joda-ethiopicchronology joda-gregorianchronology joda-hours joda-instant joda-interval joda-isochronology joda-isodatetimeformat joda-localdate joda-localdatetime joda-localtime joda-minutes joda-mutabledatetime joda-period joda-seconds joda-time joda-weeks jsch json json-file-to-hashmap json-file-to-list json-file-to-object json-string-to-jsonelement json-web-token jsonelement jsoniter jsonreader-beginobject jsonreader-endobject jsonreader-nextname jsonreader-nextstring jsonwriter-beginarray jsonwriter-beginobject jsonwriter-endarray jsonwriter-endobject jsoup junit-5 jwt lineiterator linkedhashmap list list-to-json list-to-json-file localdate localdate-format localdatetime localdatetime-format locale localeutils localtime localtime-format log4j log4j-api log4j-core log4j-json log4j-logger log4j-logmanager log4j-properties log4j-xml log4j-yaml long lower_camel lower_hyphen lower_underscore map markdown markdown-email markdown-heading markdown-image-attributes markdown-strikethrough markdown-task-list-items markdown-underline markdown-url markdown-yaml matcher memory mongo-connectionstring mongo-document mongoclient mongoclients mongoclientsettings mongocollection mongodatabase mongodb moshi multipartfile mutabledatetime mysql number numberutils object-to-json object-to-json-file openapi-3 opencsv order os oshi outputstream package pad-image parse parser pattern pdf period pretty-print-json properties qr-code qrcodereader ram random randomstringgenerator read-csv reader redirectattributes redis regex resize-image resource resourceloader resourceutils restcontroller restful-api rotate-image scale-image scalr serializedname serializenulls setexclusionstrategies sftp sha-1 short soap-web-service spring-aop spring-boot spring-boot-starter-undertow spring-data-jpa spring-framework springbootapplication springdoc-openapi strikethroughextension string stringescapeutils stringsubstitutor stringutils super-csv superclass swagger-ui symlink system tablesextension tasklistitemsextension temp thumbnail thumbnailator time timestamp treemap truncate tutorial undertow upload upper_camel upper_underscore uri url urlclassloader urlescapers urlformparameterescaper urlfragmentescaper urlpathsegmentescaper utc uuid value-annotation vue.js wordutils write-csv writer wsdl xml xmlattributeescaper xmlcontentescaper xmlescapers yamlfrontmatterextension ziparchiveentry ziparchiveoutputstream zxing