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Mohamed Ferry
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Asked: 2022-04-17T19:16:16+00:00 In:

Sample about “final double in java”

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Can someone help me with some real samples to handle the topic “final double in java”. Thanks in advance for your help.

♦ Suggestions of ITtutoria Team
Idea for “final double in java”: final double in java is a java library that helps with the runtime evaluation of mathematical expressions. It can handle variables, bounds checking, and precision issues.

Here is an example for you

final double tax1 = .25;
final double tax2 = .135;
final double tax3 = .0678;

Or

final double tax1 = .25,
             tax2 = .135,
             tax3 = .0678

Or

final double tax1 = .25, tax2 = .135, tax3 = .0678
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1 Answer

  1. First of all, final is a non-access modifier applicable only to 
a variable, a method or a class
​
When a variable is declared with final keyword, its value can’t be modified, 
essentially, a constant. This also means that you must initialize a 
final variable. If the final variable is a reference, this means that 
the variable cannot be re-bound to reference another object, but internal 
state of the object pointed by that reference variable can be changed 
i.e. you can add or remove elements from final array or final collection. 
 It is good practice to represent final variables in all uppercase, using 
 underscore to separate words.
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