Representing Fractional Numbers in Java – Learn Java #5

Although the Java programming language gives us several different ways of representing fractional numbers: we must be aware these methods are not created equal. In this tutorial, we will explore the differences between the float data type and the double data type. We will discuss size, precision, syntax and usage cases.

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——– Suggested Reading ——–

Book: “Clean Code” – Robert C. Martin –

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4 responses to “Representing Fractional Numbers in Java – Learn Java #5”

  1. MrRiffRaph Avatar

    I have a suggestion for an improvement:

    I usually open up new java class files in Eclipse right next to videos as i'm just learning and want to follow along and copy notes to get used to typing in Java. However it's hard to see the text without making it full screen, but then of course I can't take notes during.
    Could you perhaps make the font size a little bigger?

  2. Cem Yesil Avatar

    If floating point data types shouldn't be used to represent monetary numbers, what should be used instead? Thanks for the great videos.

  3. Issac Gerges Avatar

    Nice. Agreed floats should be avoided for beginners, but the "f" for float literals is less ugly to the cast.

    float pie = 3.14f;

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