XML by Example

// ...

}

Creating Objects

Every object in Java is allocated on the heap. To create objects in Java, you

use the new operator.

1. The following example creates a

BufferedReader object:

BufferedReader reader =

new BufferedReader(new FileReader(args[0]));

2. Objects are typically assigned to variables, but they need not be. It is

also very common to create anonymous objects that are used and dis-

carded in one sequence. The following example creates a

File object,

calls its exists() method, and then discards it. The object is immedi-

ately discarded because it is never assigned to a variable:

if(new File(args[1]).exists())

System.err.println(“Error: output ...