org.apache.commons.collections.primitives: public final class: IntCollections

org.apache.commons.collections.primitives
public final class: IntCollections [javadoc | source]

java.lang.Object
   org.apache.commons.collections.primitives.IntCollections

This class consists exclusively of static methods that operate on or return IntCollections.

The methods of this class all throw a NullPointerException if the provided collection is null.

version: $ - Revision: 1.2 $ $Date: 2003/10/27 23:21:14 $

author: Rodney - Waldhoff

Field Summary
public static final IntList	EMPTY_INT_LIST	An unmodifiable, empty IntList Also see: getEmptyIntList
public static final IntIterator	EMPTY_INT_ITERATOR	An unmodifiable, empty IntIterator Also see: getEmptyIntIterator
public static final IntListIterator	EMPTY_INT_LIST_ITERATOR	An unmodifiable, empty IntListIterator Also see: getEmptyIntListIterator

Method from org.apache.commons.collections.primitives.IntCollections Summary:
getEmptyIntIterator, getEmptyIntList, getEmptyIntListIterator, singletonIntIterator, singletonIntList, singletonIntListIterator, unmodifiableIntIterator, unmodifiableIntList, unmodifiableIntListIterator

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.commons.collections.primitives.IntCollections Detail:
public static IntIterator getEmptyIntIterator() { return EMPTY_INT_ITERATOR; } Returns an unmodifiable, empty IntIterator
public static IntList getEmptyIntList() { return EMPTY_INT_LIST; } Returns an unmodifiable, empty IntList.
public static IntListIterator getEmptyIntListIterator() { return EMPTY_INT_LIST_ITERATOR; } Returns an unmodifiable, empty IntListIterator
public static IntIterator singletonIntIterator(int value) { return singletonIntList(value).iterator(); } Returns an unmodifiable IntIterator containing only the specified element.
public static IntList singletonIntList(int value) { // TODO: a specialized implementation of IntList may be more performant IntList list = new ArrayIntList(1); list.add(value); return UnmodifiableIntList.wrap(list); } Returns an unmodifiable IntList containing only the specified element.
public static IntListIterator singletonIntListIterator(int value) { return singletonIntList(value).listIterator(); } Returns an unmodifiable IntListIterator containing only the specified element.
public static IntIterator unmodifiableIntIterator(IntIterator iter) { if(null == iter) { throw new NullPointerException(); } return UnmodifiableIntIterator.wrap(iter); } Returns an unmodifiable version of the given non-null IntIterator.
public static IntList unmodifiableIntList(IntList list) throws NullPointerException { if(null == list) { throw new NullPointerException(); } return UnmodifiableIntList.wrap(list); } Returns an unmodifiable version of the given non-null IntList.
public static IntListIterator unmodifiableIntListIterator(IntListIterator iter) { if(null == iter) { throw new NullPointerException(); } return UnmodifiableIntListIterator.wrap(iter); } Returns an unmodifiable version of the given non-null IntListIterator.

Method from org.apache.commons.collections.primitives.IntCollections Detail:

 public static IntIterator getEmptyIntIterator() {
        return EMPTY_INT_ITERATOR;
}

Returns an unmodifiable, empty IntIterator

 public static IntList getEmptyIntList() {
        return EMPTY_INT_LIST;
}

Returns an unmodifiable, empty IntList.

 public static IntListIterator getEmptyIntListIterator() {
        return EMPTY_INT_LIST_ITERATOR;
}

Returns an unmodifiable, empty IntListIterator

 public static IntIterator singletonIntIterator(int value) {
        return singletonIntList(value).iterator();
}

Returns an unmodifiable IntIterator containing only the specified element.

 public static IntList singletonIntList(int value) {
        // TODO: a specialized implementation of IntList may be more performant
        IntList list = new ArrayIntList(1);
        list.add(value);
        return UnmodifiableIntList.wrap(list);
}

Returns an unmodifiable IntList containing only the specified element.

 public static IntListIterator singletonIntListIterator(int value) {
        return singletonIntList(value).listIterator();
}

Returns an unmodifiable IntListIterator containing only the specified element.

 public static IntIterator unmodifiableIntIterator(IntIterator iter) {
        if(null == iter) {
            throw new NullPointerException();
        }
        return UnmodifiableIntIterator.wrap(iter);
}

Returns an unmodifiable version of the given non-null IntIterator.

 public static IntList unmodifiableIntList(IntList list) throws NullPointerException {
        if(null == list) {
            throw new NullPointerException();
        }
        return UnmodifiableIntList.wrap(list);
}

Returns an unmodifiable version of the given non-null IntList.

 public static IntListIterator unmodifiableIntListIterator(IntListIterator iter) {
        if(null == iter) {
            throw new NullPointerException();
        }
        return UnmodifiableIntListIterator.wrap(iter);
}

Returns an unmodifiable version of the given non-null IntListIterator.