Java 说明数值不精确

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public class Main {

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    public static void main(String[] arg) {// 来 自 n o w j a v a . c o m

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        double a = 1.0d;

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        double b = 3.14d;

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        double c = a + b;

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        if (c == 4.14) // Equality tests are dangerous!

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        {

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            System.out.println("Correct");

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        } else {

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            System.out.println("Incorrect. I branched on the wrong block!!!");

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