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Char Is Not Int

Language: Java, Expertise: Beginner - Learn how to convert between characters and their byte representation.

Starting JVM with Memory of User's Choice

Language: Java, Expertise: Advanced - Java allows you to start the application with memory specifications as required.

3 Options for Capturing Heap Dump from an Android App

Language: Java, Expertise: Advanced - Learn more about a few different options to capture Heap Dumps from Android apps.

Object Arrays are so Flexible

Language: Java, Expertise: Intermediate - Learn how to avoid error-prone ways of passing data.

Understanding ToolProvider Class in the Javax.Tools Package

Language: Java, Expertise: Intermediate - Learn how to find the compiler that is available in the current context

Relying on the Default TimeZone

Language: Java, Expertise: Beginner - See why you shouldn't rely on the default time zone for your application.

Understanding Memory Availability and Usage

Language: Java, Expertise: Intermediate - The Runtime class in Java has various methods to help you understand memory usage.

Modifying Setters In Java

Language: Java, Expertise: Intermediate - See why, as a general rule, a bean should not modify its data, it is a data container, not business logic.

Effective Usage of Variables in Loops

Language: Java, Expertise: Intermediate - Learn how to make effective usage of variables in loops.

Calling Date.setTime()

Language: Java, Expertise: Beginner - See why it is inadvisable to use the setTime method to modify an existing Date instance.

Having a Global Configuration, Parameters, Constants Class

Language: Java, Expertise: Beginner - Learn why, with very few exceptions, you should never place constants across component boundaries.

Setting the Log Level in Java

Language: Java, Expertise: Beginner - Different code requires different levels of logging. See how to set the log level in Java.

How to Make a Program Sleep for a Pre-determined Period

Language: Java, Expertise: Intermediate - Learn how to pause applications for a short time.

Assuming Char Represents One Character

Language: Java, Expertise: Beginner - See an example of why you should not assume that char represents only one character.

Creating a JSON Object Using Java

Language: Java, Expertise: Intermediate - Explore how to create a JSON object.

A Better Way to Achieve Random File Access

Language: Java, Expertise: Beginner - Despite its name, the java.io.RandomAccessFile class is not very convenient for accessing files in a random-access manner. Learn more about a better way.

How to Avoid Cloning in Java

Language: Java, Expertise: Intermediate - See how to avoid the security issues that arise from having all properties being passed on to a cloned class.

Understanding the Collection.removeIf Method

Language: Java, Expertise: Advanced - Learn more about the collection.removeIf method in Java.

Understanding the Current Stack Under Execution

Language: Java, Level: Intermediate: - Java provides an easy approach to knowing the current stack.

Should Log Instances Be Static or Not?

Language: Java, Level: Beginner: - See why it is a good idea to store the log instance in a static final variable.

How to Check Whether a Number Is Prime

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?

Language: Java, Expertise: Intermediate - Figure out whether or not your timezone supports Daylight Saving Time programmatically.

Understanding the Usage of getSuperclass Method on a Class Object

Language: Java, Expertise: Intermediate - See how to use the getSuperclass method on a class object in Java.

Assembling XML with String Operations

Language: Java, Expertise: Beginner - See why it's best to not assemble XML with string operations.

How to Diagnose Memory Leaks

Language: Java, Expertise: Intermediate - Memory leaks don't have to be hard/scary/tedious problems to solve if you follow these three simple steps.

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