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 ...

Creating a Java string. Below is one simple syntax for creating a Java string. String greeting = "Hello world!"; In this example, "Hello world!" is a string literal, which is a series of characters ...

How to Create Bitmap Objects of an Image File on Android. ... With a few additions to the Java code for an Android app, you. ... Store the path to the image file as a string variable.

This article shows how to use the Apache Commons JXPath component to easily query complex Java object trees for data using the XPath expression language. It covers both basic and advanced features ...

Java default constructor example. Here is an example of the default constructor being used to create an instance of this class and print out the initial values of the class's properties. void main() ...