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Tip Bank > Java

Java

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1-20 of 1748     Previous     Next
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.
Knowing the Temp Location in Your Environment
by M S Sridhar
Language: Java, Level: Intermediate: - Learn how to find the temp location in your environment.
Time Zone Conversion
by Octavia Anghel
Language: Java, Expertise: Beginner - Learn how to avoid this common time zone conversion mistake.
How to Find the End of a File in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - Easily find the end of file that you are processing.
Interesting Java.lang.Math Class
by M S Sridhar
Language: Java, Level: Intermediate: - Check out this interesting java.lang.math class.
Daemon Threads in Java
by M S Sridhar
Language: Java, Level: Intermediate: - Did you know that execution of a Java program will continue only when there is at least one user thread running?
Using Calendar.getInstance()
by Octavia Anghel
Language: Java, Level: Beginner: - Learn why you should avoid using the Calendar.getInstance() in many instances.
Avoiding the HashMap Size Trap
by Octavia Anghel
Language: Java, Level: Beginner: - See how to avoid having the HashMap resize half way through the insertion.
Random Number Generation Using Java
by M S Sridhar
Language: Java, Level: Intermediate: - Learn how to use the Random class available in the java.util package to generate random numbers.
Do Not Assume SimpleDateFormat Is Thread-safe
by Octavia Anghel
Language: Java, Level: Beginner: - Learn why it is important to remember that sharing a SimpleDateFormat requires proper synchronization.
Finding a Boolean that Is Part of an Input String
by M S Sridhar
Language: Java, Level: Intermediate: - See how to find a boolean that is available as part of the input string.
Catching to Log in Java
by Octavia Anghel
Language: Java, Level: Beginner: - See why it is important to pass all required information along in the exception.
Learn Some Efficient Programming Practices
by M S Sridhar
Language: Java, Level: Intermediate: - Avoiding null pointer exceptions is a good programming practice. Learn some more ways to avoid this pitfall.
Creating a Link to a File in Java
by M S Sridhar
Language: Java, Level: Intermediate: - See how to crosslink files in Java so that you don't have to hunt for multiple files when changes are made to one.
Using the "==" Operator with Double or Float
by Octavia Anghel
Language: Java, Level: Beginner: - Avoid causing and endless loop with float or double values in Java.
Clearing the Contents of a StringBuffer
by M S Sridhar
Language: Java, Level: Intermediate: - StringBuffer is a class that facilitates string operations and also helps reduce memory usage.
Avoid NullPointerException in String Equality Comparison
by Octavia Anghel
Language: Java, Beginner: Intermediate - Learn why it's important to place literals first in equal comparisons.
Understanding the Long Data Type in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - See how Java long behaves differently when used with the letter L and without it.
Simple Annotation in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - Annotations are similar to interfaces in that you can convey your own specifications that others will need to follow.
Reducing Unbuffered Streams
by Octavia Anghel
Language: Java, Expertise: Intermediate - Learn how to significantly reduce the number of native calls.
1-20 of 1748     Previous     Next
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