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Java KB: Language Details Topic



7 Articles Found in the Language Details Topic 

  KB Article    

Stephen Berry
1. Associative Arrays in Java (a Map)

An associative array links a set of keys to a set of values. In Java, associative arrays are implemented as Maps.

This will print "Arizona."

12 years ago

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2. Java Associative Array (HashMap())

An associative array links a set of keys to a set of values. In Java, associative arrays are implemented as Maps.

This will print "Arizona."

12 years ago, and updated 11 years ago

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3. Java Class..Object (class..new)

Unlike languages such as C++ and Object Pascal, every line of code written in Java must occur within a class.

12 years ago, and updated 11 years ago

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4. Java Custom Routines

Because java is an OOP language, all custom routines belong to a specific class and are therefore referred to as methods.

All methods in Java must return something so even with procedures, you return a "void".

12 years ago, and updated 12 years ago

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5. Java Inheritance (extends ParentClass)

Simple syntax example of class inheritance.

12 years ago, and updated 11 years ago

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6. Java Inlining (Automatic)

The Java compiler automatically inlines when it determines  a benefit. The use of final methods is considered a compiler hint to tell the compiler to inline the method if beneficial.

11 years ago

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7. Java Overloading

Java Overloading

  • Operator - No. Sun deliberately choose not include operator overloading in the Java language.
  • Method - Yes.
12 years ago, and updated 11 years ago

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