Java 此实用程序方法检查给定数组是否包含任何负值。

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//package com.nowjava;

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public class Main {/** from n  o  w  j  a  v  a . c o m**/

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    public static void main(String[] argv) throws Exception {

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        double[] doubleArray = new double[] { 34.45, 35.45, 36.67, 37.78,

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                37.0000, 37.1234, 67.2344, 68.34534, 69.87700 };

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        System.out.println(isContainNegative(doubleArray));

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    }

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    /**

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     * This utility method checks whether a given array contains any negative

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     * value. It returns <tt>true </tt> if it does, <tt>false</tt> if it does

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     * not

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     * 

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     * */

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    public static boolean isContainNegative(double[] doubleArray) {

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        boolean negativeFound = false;

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        int i = 0;

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        while (i < doubleArray.length && !negativeFound) {

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            if (doubleArray[i] < 0) {

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