Example usage for java.util List addAll

Introduction

In this page you can find the example usage for java.util List addAll.

Prototype

boolean addAll(int index, Collection<? extends E> c);

Source Link

Document

Inserts all of the elements in the specified collection into this list at the specified position (optional operation).

Usage

From source file:Main.java

public static void main(String[] args) {
    List<String> arrayList = new ArrayList<String>();
    arrayList.add("1");
    arrayList.add("2");
    arrayList.add("3");

    Vector<String> v = new Vector<String>();
    v.add("4");//from  ww w  .j  a v a2s.  c o m
    v.add("5");

    // insert all elements of Vector to ArrayList at index 1
    arrayList.addAll(1, v);

    for (String str : arrayList)
        System.out.println(str);
}

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From source file:com.doculibre.constellio.utils.license.ApplyLicenseUtils.java

/**
 * @param args//from w w w  . jav  a 2 s. c o  m
 */
@SuppressWarnings("unchecked")
public static void main(String[] args) throws Exception {
    URL licenceHeaderURL = ApplyLicenseUtils.class.getResource("LICENSE_HEADER");
    File binDir = ClasspathUtils.getClassesDir();
    File projectDir = binDir.getParentFile();
    //        File dryrunDir = new File(projectDir, "dryrun");
    File licenceFile = new File(licenceHeaderURL.toURI());
    List<String> licenceLines = readLines(licenceFile);
    //        for (int i = 0; i < licenceLines.size(); i++) {
    //            String licenceLine = licenceLines.get(i);
    //            licenceLines.set(i, " * " + licenceLine);
    //        }
    //        licenceLines.add(0, "/**");
    //        licenceLines.add(" */");

    List<File> javaFiles = (List<File>) org.apache.commons.io.FileUtils.listFiles(projectDir,
            new String[] { "java" }, true);
    for (File javaFile : javaFiles) {
        if (isValidPackage(javaFile)) {
            List<String> javaFileLines = readLines(javaFile);
            if (!javaFileLines.isEmpty()) {
                boolean modified = false;
                String firstLineTrim = javaFileLines.get(0).trim();
                if (firstLineTrim.startsWith("package")) {
                    modified = true;
                    javaFileLines.addAll(0, licenceLines);
                } else if (firstLineTrim.startsWith("/**")) {
                    int indexOfEndCommentLine = -1;
                    loop2: for (int i = 0; i < javaFileLines.size(); i++) {
                        String javaFileLine = javaFileLines.get(i);
                        if (javaFileLine.indexOf("*/") != -1) {
                            indexOfEndCommentLine = i;
                            break loop2;
                        }
                    }
                    if (indexOfEndCommentLine != -1) {
                        modified = true;
                        int i = 0;
                        loop3: for (Iterator<String> it = javaFileLines.iterator(); it.hasNext();) {
                            it.next();
                            if (i <= indexOfEndCommentLine) {
                                it.remove();
                            } else {
                                break loop3;
                            }
                            i++;
                        }
                        javaFileLines.addAll(0, licenceLines);
                    } else {
                        throw new RuntimeException(
                                "Missing end comment for file " + javaFile.getAbsolutePath());
                    }
                }

                if (modified) {
                    //                        String outputFilePath = javaFile.getPath().substring(projectDir.getPath().length());
                    //                        File outputFile = new File(dryrunDir, outputFilePath);
                    //                        outputFile.getParentFile().mkdirs();
                    //                        System.out.println(outputFile.getPath());
                    //                        FileOutputStream fos = new FileOutputStream(outputFile);
                    System.out.println(javaFile.getPath());
                    FileOutputStream fos = new FileOutputStream(javaFile);
                    IOUtils.writeLines(javaFileLines, "\n", fos);
                    IOUtils.closeQuietly(fos);
                }
            }
        }
    }
}

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From source file:com.google.android.apps.santatracker.games.cityquiz.CityQuizUtil.java

/**
 * Retrieve a random list of cities.// w  w w  . jav a 2s.  com
 *
 * @param amt Max number of cities to retrieve.
 *
 * @return Random list of cities. If amt is more than the amount of cities available, all cities are returned.
 */
public static List<City> getCities(Context context, int amt) {
    List<City> allCities = getCities(context);
    Collections.shuffle(allCities, new Random());
    if (amt > allCities.size()) {
        amt = allCities.size();
    }
    // Only return the cities that will be used in the game.
    List<City> cities = new ArrayList<>();
    cities.addAll(0, allCities.subList(0, amt));
    return cities;
}

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From source file:Main.java

public static <T> void addFirstAndRemoveOldIfNeed(List<T> dest, List<T> src) {
    if (dest == null) {
        return;/*from  w  w w .  j  ava  2 s.  c om*/
    }

    if (src == null || src.isEmpty()) {
        return;
    }

    removeDuplicate(dest, src);
    dest.addAll(0, src);
}

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From source file:Main.java

/**
 * Introduces overlap into a series of lists. 
 * @param before # of elements from the end of the previous list to prepend
 * @param after # of elements from the beginning of the next list to append
 *//*from   w ww. ja  va2 s .c  om*/
public static <T> List<List<T>> overlap(List<List<T>> lists, int before, int after) {

    if (before < 0) {
        throw new IllegalArgumentException("Value of before cannot be negative");
    }
    if (after < 0) {
        throw new IllegalArgumentException("Value of after cannot be negative");
    }

    ListIterator<List<T>> iter = lists.listIterator();

    List<List<T>> result = new ArrayList<List<T>>();
    for (; iter.hasNext();) {
        List<T> current = new ArrayList<T>(iter.next());
        List<T> prev = before > 0 ? findPrevious(iter) : null;
        List<T> next = after > 0 ? findNext(iter) : null;
        if (prev != null) {
            List<T> overlap = prev.subList(prev.size() - before, prev.size());
            current.addAll(0, overlap);
        }
        if (next != null) {
            List<T> overlap = next.subList(0, after);
            current.addAll(overlap);
        }
        result.add(current);
    }

    return result;
}

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