Illustrates numerical imprecisions - Java Language Basics

Java examples for Language Basics:Primitive Types

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Description

Illustrates numerical imprecisions

Demo Code

public class Main {
    public static void main(String[] arg) {
        double a = 1.0d;
        double b = 3.14d;
        double c = a + b;

        if (c == 4.14) // Equality tests are dangerous!
        {//from  w  w w . jav a  2  s  .  c o m
            System.out.println("Correct");
        } else {
            System.out.println("Incorrect. I branched on the wrong block!!!");
            System.out.println("a=" + a + " b=" + b + " a+b=c=" + c);
            // unexpected behavior may follow...
        }
    }
}

Result


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