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Tip Bank > Java > Classes

Classes

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Comparing Two Integers
by Octavia Anghel
Language: Java, Expertise: Intermediate - Learn how to compare integers without being exposed to overflow risks.
Get the Abstract Methods of a Class
by Octavia Anghel
Language: Java, Expertise: Intermediate - Learn to isolate the abstract methods from a class with the Java Reflection API.
Expore the TemporalAdjusters Class in Java
by M S Sridhar
Learn how to easily compute dates in Java.
Operations on Dates and Times
by Octavia Anghel
Language: Java, Expertise: Intermediate - Learn how to use operations on Date and Time in Java.
Get All the Available Time Zones
by Octavia Anghel
Language: Java, Expertise: Intermediate - See how to use new features in Java 8 to get all available time zones.
Avoid NPE via JDK 8, Optional
by Octavia Anghel
Language: Java, Expertise: Intermediate - Beginning with JDK 8, you can avoid NullPointerException by returning an Optional. See an example.
Counting Digits in a Given Number
by M S Sridhar
Language: Java, Expertise: Intermediate - Learn how to use a combination of methods in Math package to count digits.
Using Error: Class Names and YourClassName
by M S Sridhar
Language: Java, Expertise: Beginner - Using error: Class names or 'YourClassName' is only accepted if annotation processing is explicitly requested.
Using a Java File with an Empty Main Method
by M S Sridhar
Language: Java, Expertise: Intermediate - Java programs cannot be executed without a standard main method. Learn an work around to cheat the requirements.
Reading All Lines of a File from Classpath in Java 8
by Octavia Anghel
Language: Java, Expertise: Intermediate - Learn how to read all lines of a file from classpath in Java 8 and display them on a screen.
Using the Serialver Tool
by M S Sridhar
Language: Java, Expertise: Intermediate - See how Java provides a mechanism to know the serialization properties of a given class.
Converting a String into a Date
by OCTAVIA ANGHEL
Language: Java, Expertise: Beginner - See how to convert a string pattern into a date object.
Using Optional in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - Learn how to assign null value to an object of type Optional.
Using NaN in Java
by Srinath MS
Language: Java, Expertise: Intermediate - Learn more about using NaN in Java, such as how it has multiple faces and is returned under different circumstances.
Converting a Date to a Certain String Format
by OCTAVIA ANGHEL
Language: Java, Expertise: Beginner - Convert a date object into certain format string objects using the supplied pattern string.
Convert an Array of Strings to a List
by M S Sridhar
Language: Java, Expertise: Intermediate - Learn how to use an asList method to convert an argument array into a list.
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.
Validating an URL in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - See an example of an easy way of validating an URL.
Understanding the Double Colon in Java
by M S Sridhar
Language: Java, Expertise: Intermediate - See how easy it is to iterate a list and print the values with double colon in Java.
Understanding the Usage of the OffsetDateTime Class
by M S Sridhar
Language: Java, Expertise: Intermediate - Learn how to use the ZoneId to get the current time.
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