Java » Apache Commons Lang

Java is the popular programming language that originated in 1995. Today, the Java ecosystem includes a very large number of specifications, libraries, frameworks, tools, as well as a thriving community. Take a dive through our collection of Java tutorials that cover a wide array of Java-related topics.

>> Format LocalDate to ISO 8601 With T and Z

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>> Null Array to Empty List in Java

>> Check if the Given String Is a Valid Number

>> Removing All Non-alphabetic Characters From String Array in Java

>> Remove Only Trailing Spaces or Whitespace From a String in Java

>> Get First n Characters in a String in Java

>> Storing UUID as Base64 String in Java

>> Convert String to long or Long in Java

>> Return First Non-null Value in Java

>> Check if a String Contains a Number Value in Java

>> Capitalize the First Letter of Each Word in a String

>> How to Convert an Object to String

>> How to Center Text Output in Java

>> Using the Apache Commons Lang 3 for Comparing Objects in Java

>> Adding One Month to Current Date in Java

>> Check if a String Is All Uppercase or Lowercase in Java

>> Combining Two or More Byte Arrays

>> Convert String to Int Using Encapsulation

>> Parsing Date Strings with Varying Formats

>> Retain Only Digits and Decimal Separator in String