Example usage for java.util Collections unmodifiableList

Introduction

In this page you can find the example usage for java.util Collections unmodifiableList.

Prototype

public static <T> List<T> unmodifiableList(List<? extends T> list)

Source Link

Document

Returns an unmodifiable view of the specified list.

Usage

From source file:Main.java

public static <T> List<T> immutableList(Collection<? extends T> list) {
    if (list == null)
        return Collections.emptyList();
    return Collections
            .unmodifiableList(list instanceof List ? (List<? extends T>) list : new ArrayList<T>(list));
}

From source file:Main.java

public static <T> List<T> unmodifiableList(T... array) {

    return Collections.unmodifiableList(Arrays.asList(array));
}

From source file:Main.java

public static <T> List<T> unmodifiableArrayList(Collection<T> elements) {
    return Collections.unmodifiableList(new ArrayList<T>(elements));
}

From source file:Main.java

/**
 * Array to unmodifiable list.//from  w  w w . j  a  va2 s .  c o  m
 * @param values an array.
 * @param <T> type of array element.
 * @return unmodifiable list.
 */
public static <T> List<T> unmodifiableList(T[] values) {
    return Collections.unmodifiableList(Arrays.asList(values));
}

From source file:Main.java

public static <A> List<A> append(A a, List<A> as) {
    List<A> result = new ArrayList<A>(as);
    result.add(a);/*from  w ww . j a va 2 s  . c  om*/
    return Collections.unmodifiableList(result);
}

From source file:Main.java

public static <T> List<T> asUnmodifiableList(@SuppressWarnings("unchecked") T... ts) {
    List<T> l = new ArrayList<>();
    for (T t : ts) {
        l.add(t);/*from w w w .j av a 2 s.  c om*/
    }
    return Collections.unmodifiableList(l);
}

From source file:Main.java

public static <E> List<E> toList(Iterable<? extends E> iterable) {
    final List<E> list = new ArrayList<E>();

    for (E e : iterable) {
        list.add(e);//from   w  w w  .j a va  2  s  .  c om
    }

    return Collections.unmodifiableList(list);
}

From source file:Main.java

public static <E> List<E> copyNullSafeList(Collection<? extends E> list) {
    if (list.isEmpty()) {
        return Collections.emptyList();
    }//from w  w w  .  ja va2  s . c o m
    return Collections.unmodifiableList(copyNullSafeMutableList(list));
}

From source file:Main.java

public static ObservableList<String> unmodifiableList(String... array) {
    return FXCollections.observableArrayList(Collections.unmodifiableList(Arrays.asList(array)));
}

From source file:Main.java

public static <T> List<T> tail(List<T> list) {
    if (list.size() == 0) {
        throw new IllegalStateException("tail of empty list");
    }/*from   w  ww.j a  v  a  2s .  c  o m*/
    List<T> workList = copy(list);
    workList.remove(0);
    return Collections.unmodifiableList(workList);
}