Java Count Characters present in a String using Apache Commons Lang

In this Java tutorial we learn how to count the number of characters present in a given String using the CharSetUtils class of Apache Commons Lang library.

Java Check a String Contains Any Characters using Apache Commons Lang

In this Java tutorial we learn how to check a String to identify whether it contains any of given characters using CharSetUtils class of Apache Commons Lang library.

Java Get Fully Qualified Name or Path of Classpath Resource using Apache Commons Lang

In this Java tutorial we learn how to populate the fully qualified name or path of classpath resources using the ClassPathUtils class of Apache Commons Lang library.

Java Insert Element into an Array at Index using Apache Commons Lang

In this Java tutorial we learn how to insert an element into an array at a given index using ArrayUtils class of Apache Commons Lang library.

Java Convert Wrapper Class Array to Primitive Array using Apache Commons Lang

In this Java tutorial we learn how to convert an array of wrapper type objects into an array of primitive values using the ArrayUtils class of Apache Commons Lang library.

Java Convert Primitive Array to Wrapper Class Array using Apache Commons Lang

In this Java tutorial we learn how to convert an array of primitive values into an array of wrapper objects using the ArrayUtils of Apache Commons Lang library.

Java Convert Array to Map using Apache Commons Lang

In this Java tutorial we learn how to convert a given array into a Map object using ArrayUtils of Apache Commons Lang library.

Java Check an Array Index is valid using Apache Commons Lang

In this Java tutorial we learn how to check if a given index value is valid or not to access a given array using ArrayUtils class of Apache Commons Lang library.

Java Convert Array of Objects to Array of Strings using Apache Commons Lang

In this Java tutorial we learn how to convert an array of object values into an array of String values using the ArrayUtils class of Apache Commons Lang library.

Java Check Array contains a Value using Apache Commons Lang

In this Java tutorial we learn how to check if an array contains a given value using the ArrayUtils class of Apache Commons Lang library.