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Tip Bank > Java > Java APIs

Java APIs

AWT
Enterprise JavaBeans
JDBC
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1-20 of 452     Previous     Next
Avoid Poor Use of Reflection
by Octavia Anghel
Language: Java, Expertise: Beginner - Learn more about why it is dangerous to create an instance of a class you don't know.
Getting All Available Time Zones in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - Learn a quick way to get all of the available time zones in Java.
Identify Whether an IP Address Is a Multicast Address
by M S Sridhar
Language: Java, Expertise: Intermediate - Use this Java API to figure out whether or not an IP address is a multicast address.
Find the Hostname of a Server Using the IP Address
by M S Sridhar
Language: Java, Expertise: Intermediate - See how the Java.net package has an API that does the hard work of collecting all the details and returns the server name.
How to Check Whether a Number Is Prime
by M S Sridhar
Language: Java, Level: Intermediate: - Learn how to check if a number is prime using the isProbablePrime method in Java.
Does Your Timezone Support Daylight Saving Time?
by M S Sridhar
Language: Java, Expertise: Intermediate - Figure out whether or not your timezone supports Daylight Saving Time programmatically.
Get the Attention of a User with a Beep
by M S Sridhar
Language: Java, Expertise: Intermediate - Learn to use java.awt.Toolkit.getDefaultToolkit.beep(); to get the attention of a user.
Parsing and Converting Numbers in Java
by Octavia Anghel
Language: Java, Expertise: Intermediate - Learn how to use the API without allocating unnecessary objects.
Java Collections Performance, SET
by Octavia Anghel
Language: Java, Expertise: Intermediate - A set is a collection that contains no duplicate elements.
Java Collections Performance, LISTS
by Octavia Anghel
Language: Java, Expertise: Intermediate - A list is an ordered collection of elements.
Setting a JPA Hint in Spring
by Octavia ANghel
Language: Web, Expertise: Intermediate - Learn how to set a JPA hint in Spring.
Managing Concurrent Requests with EJB Containers
by Anghel Leonard
A limitation of EJB containers is that they can't serialize complex objects. Find out how the PrePassivate and PostActivate methods overcome this shortcoming.
Using EJB Interceptors for Java EE Audits
by Leonard Anghel
With EJB interceptors, you can access the name, parameters, and EJB context of business methods.
How to Detect JFrame Resizing
by Sterling Jordan
To know when a user is resizing a JFrame, catch the resize action using this tip's code.
How to Declare a java.util.Date in a EJB 3.0 Entity
by Leonard Anghel
To map a date value to a Java date in EJB 3.0, use this code.
Writing a Parameterized SQL Query in EJB 3.0
by Leonard Anghel
Follow this DELETE statement example to write parameterized SQL queries in EJB 3.0.
Inject an EJB 3.0 into the init() Method of a Servlet
by Leonard Anghel
This tip shows you how to inject an EJB 3.0 into the init() method of a servlet.
Developing a NIO Server
by Leonard Anghel
This tip shows you how to develop a NIO based server.
Load an Image Using the JAI API
by Leonard Anghel
Find out how to use JAI API to load an image in just three lines of code.
Apply an Identical Transformation to a DOM Tree Using TrAX
by Leonard Anghel
The code in this tip is a full example that applies an identical transformation to a DOM tree.
1-20 of 452     Previous     Next
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