Java String join()The java string join() method returns a string joined with given delimiter. In string join method, delimiter is copied for each elements. In case of null element, "null" is added. The join() method is included in java string since JDK 1.8. There are two types of join() methods in java string. SignatureThe signature or syntax of string join method is given below: Parametersdelimiter : char value to be added with each element elements : char value to be attached with delimiter Returnsjoined string with delimiter ThrowsNullPointerException if element or delimiter is null. Since1.8 Java String join() method examplewelcome-to-w3cschoool Java String join() Method Example 2We can use delimeter to format the string as we did in the below example to show date and time. 25/06/2018 12:10:10 Next TopicJava String lastIndexOf()
|