Quiz yourself: Interface methods and assignment compatibility in Java
Oracle | Java Magazine
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3M ago
What does it mean when a method has no modifiers—and a semicolon instead of a body ..read more
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Quiz yourself: String manipulation and local and instance variables
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3M ago
Watch out for unexpected and undesirable side effects ..read more
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Quiz yourself: When is a Java object still reachable?
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3M ago
The garbage collector can’t collect an object until it’s no longer available to any live thread ..read more
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Curly Braces #9: Was Fred Brooks wrong about late software projects?
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3M ago
If your project is running late, maybe you actually do want to add more developers ..read more
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Quiz yourself: Splitting Java streams and using escape characters
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3M ago
Test your knowledge of the Pattern class and splitAsStream method ..read more
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Quiz yourself: Java’s sealed types—true-or-false quiz
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3M ago
Test your knowledge of valid sealed classes, subclasses, and the permits section ..read more
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Quiz yourself: Handling side effects in Java
Oracle | Java Magazine
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3M ago
This question exemplifies a style that’s popular with test creators. It’s less popular with candidates ..read more
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Quiz yourself: Comparing Java arrays and interpreting the mismatch method
Oracle | Java Magazine
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3M ago
The java.util.Arrays class methods aren’t always intuitive ..read more
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Quiz yourself: Java’s date and time TemporalAccessor generation interface
Oracle | Java Magazine
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3M ago
By the way, how’s your working knowledge of the Liskov substitution principle ..read more
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Quiz yourself: Abstract classes and the difference between Java’s super() and this()
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3M ago
See what happens when you instantiate and initialize a Java object ..read more
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