import gnu.trove.procedure.array.ToObjectArrayProceedure; //导入依赖的package包/类
/**
 * Returns a typed array of the objects in the set.
 *
 * @param a an <code>Object[]</code> value
 * @return an <code>Object[]</code> value
 */
@SuppressWarnings({"unchecked"})
public <T> T[] toArray( T[] a ) {
    int size = size();
    if ( a.length < size ) {
        a = (T[]) Array.newInstance( a.getClass().getComponentType(), size );
    }

    forEach( new ToObjectArrayProceedure( a ) );

    // If this collection fits in the specified array with room to
    // spare (i.e., the array has more elements than this
    // collection), the element in the array immediately following
    // the end of the collection is set to null. This is useful in
    // determining the length of this collection only if the
    // caller knows that this collection does not contain any null
    // elements.)

    if ( a.length > size ) {
        a[size] = null;
    }

    return a;
}
 

import gnu.trove.procedure.array.ToObjectArrayProceedure; //导入依赖的package包/类
/**
 * Returns a typed array of the objects in the set.
 *
 * @param a an <code>Object[]</code> value
 * @return an <code>Object[]</code> value
 */
@SuppressWarnings({"unchecked"})
public <T> T[] toArray(T[] a) {
    int size = size();
    if (a.length < size) {
        a = (T[]) Array.newInstance(a.getClass().getComponentType(), size);
    }

    forEach(new ToObjectArrayProceedure(a));

    // If this collection fits in the specified array with room to
    // spare (i.e., the array has more elements than this
    // collection), the element in the array immediately following
    // the end of the collection is set to null. This is useful in
    // determining the length of this collection only if the
    // caller knows that this collection does not contain any null
    // elements.)

    if (a.length > size) {
        a[size] = null;
    }

    return a;
}
 

import gnu.trove.procedure.array.ToObjectArrayProceedure; //导入依赖的package包/类
/**
 * Returns a typed array of the objects in the set.
 *
 * @param a an <code>Object[]</code> value
 * @return an <code>Object[]</code> value
 */
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public <T> T[] toArray( T[] a ) {
    int size = size();
    if ( a.length < size ) {
        a = (T[]) Array.newInstance( a.getClass().getComponentType(), size );
    }

    forEach( new ToObjectArrayProceedure( a ) );

    // If this collection fits in the specified array with room to
    // spare (i.e., the array has more elements than this
    // collection), the element in the array immediately following
    // the end of the collection is set to null. This is useful in
    // determining the length of this collection only if the
    // caller knows that this collection does not contain any null
    // elements.)

    if ( a.length > size ) {
        a[size] = null;
    }

    return a;
}
 

import gnu.trove.procedure.array.ToObjectArrayProceedure; //导入依赖的package包/类
/**
 * Returns a typed array of the objects in the set.
 *
 * @param a an <code>Object[]</code> value
 * @return an <code>Object[]</code> value
 */
@Override
@SuppressWarnings({"unchecked"})
public <T> T[] toArray(T[] a) {
    int size = size();
    if (a.length < size) {
        a = (T[]) Array.newInstance(a.getClass().getComponentType(), size);
    }

    forEach(new ToObjectArrayProceedure(a));

    // If this collection fits in the specified array with room to
    // spare (i.e., the array has more elements than this
    // collection), the element in the array immediately following
    // the end of the collection is set to null. This is useful in
    // determining the length of this collection only if the
    // caller knows that this collection does not contain any null
    // elements.)

    if (a.length > size) {
        a[size] = null;
    }

    return a;
}