Advanced techniques: Fields and methods in Java Learn seven advanced techniques ... declares four methods in the Book class: class Book { // ... String getTitle() { return title; ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data ...

In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out ...

As noted, Java strings are immutable. Once created, a string using string class cannot be changed. Any attempted changes will create another string instance. Users can perform basic operations, such ...

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 ...