Struts2007-09-13
Model 1 Architecture
Model 1 architecture is the easiest way of developing JSP based web applications. It cannot get any easier. In Model 1, the browser directly accesses JSP pages. In other words, use
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Java2007-09-12
HashSet Sample program in Java
HashSet extends AbstractSet and implements the Set interface. It creates a collection that uses a hash table for storage. As most readers likely know, a hash table stores informati
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LinkedList Sample program in Java
The LinkedList class extends AbstractSequentialList and implements the List interface. It provides a linked-list data structure. It has the two constructors, shown here:
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toRadians() and toDegrees() Sample program in Java
The toRadians() method converts degrees to radians. toDegrees() converts radians to degrees. Here is a program that demonstrates toRadians() and toDegrees():
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getClass() and getSuperclass() in Java
The following program demonstrates getClass() (inherited from Object) and getSuperclass() (from Class):
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clone() and the Cloneable Interface in Java
Most of the methods defined by Object are discussed elsewhere in this book. However, one deserves special attention: clone(). The clone() method generates a duplicate copy of the o
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Java2007-09-12
arraycopy() in Java
The arraycopy() method can be used to copy quickly an array of any type from one place to another. This is much faster than the equivalent loop written out longhand in Java. Here i
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delete() and deleteCharAt() in Java
Java 2 adds to StringBuffer the ability to delete characters using the methods delete()
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insert() and reverse() in Java
The insert() method inserts one string into another. It is overloaded to accept values of all the simple types, plus Strings and Objects. Like append(), it calls String.valueOf() t
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append() in Java
The append() method concatenates the string representation of any other type of data to the end of the invoking StringBuffer object. It has overloaded versions for all the built-in
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concat(), replace(), and trim() Strings in Java
You can concatenate two strings using concat(), shown here. The replace() method replaces all occurrences of one character in the invoking string with another character. The trim()
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valueOf() and toString() in Java
When Java converts data into its string representation during concatenation, it does so by calling one of the overloaded versions of the string conversion method valueOf() defined
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