Inside XML

Declaring and Creating Objects

In Java, you must declare new objects, then you create them with the new operator. For example, here's how I create an object of the Java String class, passing the text Welcome to Java to that class's constructor:

public class app
{
    public static void main(String[] args)
    {
        String greeting1;

        greeting1 = new String("Welcome to Java");
    .
    .
    .

Note that I first declared the greeting1 object, giving the object's class, String, as its type. Then I create the object with the new operator.

Overloading Constructors

Classes can have different constructors that handle different types of data. For example, I passed a string to the String class's constructor in the previous example, but I can also pass an array of characters ...