Java examples for Collection Framework:Array Contain
This utility method checks whether a given array contains any negative value.
//package com.java2s; public class Main { public static void main(String[] argv) throws Exception { double[] doubleArray = new double[] { 34.45, 35.45, 36.67, 37.78, 37.0000, 37.1234, 67.2344, 68.34534, 69.87700 }; System.out.println(isContainNegative(doubleArray)); }/*from w ww.j ava 2 s.co m*/ /** * This utility method checks whether a given array contains any negative * value. It returns <tt>true </tt> if it does, <tt>false</tt> if it does * not * * */ public static boolean isContainNegative(double[] doubleArray) { boolean negativeFound = false; int i = 0; while (i < doubleArray.length && !negativeFound) { if (doubleArray[i] < 0) { negativeFound = true; } else { i++; } } return negativeFound; } }