Java’s String class encapsulates an array of bytes ... the first trim() method will generate a new String because the method will execute its action, so the references will be different.

Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Java strings are created and manipulated through the string class. Once created, a string is immutable -- its value cannot be changed ... which are sequences of characters. Methods of class string ...

The correct way to convert a String to long in Java is to use the parseLong(String x) method of the Long wrapper class. The following String to long example program converts the text String 90210 to a ...