populate String Array with random number - Java Collection Framework

Java examples for Collection Framework:Array Random Value

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Description

populate String Array with random number

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) {
        int numberOfItems = 42;
        System.out.println(java.util.Arrays
                .toString(populateStringArray(numberOfItems)));
    }/* w ww. ja va 2  s . c o m*/

    public static String[] populateStringArray(int numberOfItems) {
        final String partialWord = "partialArrayParallel";
        String[] dummyStringArray = null;
        if (numberOfItems > 0) {
            dummyStringArray = new String[numberOfItems];
            for (int i = 0; i < numberOfItems; i++) {
                final double randomNumber = (Math.random() * numberOfItems);
                final StringBuilder sb = new StringBuilder(partialWord)
                        .append(randomNumber);
                dummyStringArray[i] = sb.toString();
            }
        }
        return dummyStringArray;
    }
}

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