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Enum to implement an interface

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With this example we are going to demonstrate how to use an enum to implement an interface. Implementing an interface with an enum can be useful when we need to implement some business logic that is tightly coupled with a discriminatory property of a given object or class. In short, to implement an interface with an enum you should: Create ...

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Enum for Singleton and Utility class

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enum Singleton { INSTANCE; } enum Utility { ; // no instances } Related Article: Java Secret: Using an enum to build a State machine Reference: Java Secret: Using an enum to build a State machine from our JCG partner Peter Lawrey at the Vanilla Java blog

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Modulo Operator

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In this example we shall show you how to use the modulo operator. The modulo operator is an arithmetic operator that is used to divide one operand by another and return the remainder as its result. You use the modulo operator to get the remainder of the division between an int variable and 10 and a double variable and 10, as ...

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Arithmetic Operators

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With this example we are going to demonstrate how to use the arithmetic operators in Java. The arithmetic operators supported by the Java programming language are the Additive operator (also used for String concatenation), the Subtraction operator, the Multiplication operator, the Division operator, and the Remainder operator. In short, to use the arithmetic operators you should: Use the Additive operator ...

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