Copy the given Collection into a String array. - Java java.lang

Introduction

The following code shows how to Copy the given Collection into a String array. .

Demo Code

//package com.java2s;

import java.util.Collection;

public class Main {
    /**/*from  w  ww  .j  av a2  s . c  o m*/
     * Copy the given Collection into a String array. The Collection must
     * contain String elements only.
     * 
     * @param collection
     *            the Collection to copy
     * @return the String array ({@code null} if the passed-in Collection was
     *         {@code null})
     */
    public static String[] toStringArray(Collection<String> collection) {
        if (collection == null) {
            return null;
        }
        return collection.toArray(new String[collection.size()]);
    }
}

• Previous
• Next

Related Tutorials

• merge 2 arrays of string values.
• Accepts an array of strings and returns the array flattened into a single string, optionally delimeted.
• object Array As String
• Format an array of objects as a string separated by a delimiter by calling toString on each object
• Returns an ArrayList of strings, one for each line in the string after it has been wrapped to fit lines of maxWidth. This code assumes str is not null.