Sorting with Comparable and Comparator in Java
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Sorting with Comparable and Comparator in Java

Comparable or Comparator? Choose the correct interface for the sorting algorithm you need

08/22/2019

Thread behavior in the JVM
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Thread behavior in the JVM

The JVM does what it wants to do, so how can you predict the order of thread execution?

08/22/2019

Method overloading in the JVM
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Method overloading in the JVM

Test your mind with the first Java Challenger in a new series. Can you outthink the Java virtual machine?

08/22/2019

String comparisons in Java
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String comparisons in Java

How Java's String methods, keywords, and operators process comparisons in the String pool

08/22/2019

Polymorphism and inheritance in Java
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Polymorphism and inheritance in Java

Challenge yourself, with this brain-teasing introduction to Java method invocation in polymorphic method calls

08/22/2019

Comparing Java objects with equals() and hashcode()
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Comparing Java objects with equals() and hashcode()

What is the contract between equals() and hashcode()? Learn how these methods work together when comparing Java objects

08/15/2019

Debugging Java inheritance
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Debugging Java inheritance

Method overriding, the 'super' reserved word, and ClassCastExceptions in Java inheritance

07/23/2019

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