array.java

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    /**
     * Returns the value of the indexed component in the specified
     * array object, as a <code>float</code>.
     *
     * @param array the array
     * @param index the index
     * @return the value of the indexed component in the specified array
     * @exception NullPointerException If the specified object is null
     * @exception IllegalArgumentException If the specified object is not
     * an array, or if the indexed element cannot be converted to the
     * return type by an identity or widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to the
     * length of the specified array
     * @see Array#get
     */
    public static native float getFloat(Object array, int index)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Returns the value of the indexed component in the specified
     * array object, as a <code>double</code>.
     *
     * @param array the array
     * @param index the index
     * @return the value of the indexed component in the specified array
     * @exception NullPointerException If the specified object is null
     * @exception IllegalArgumentException If the specified object is not
     * an array, or if the indexed element cannot be converted to the
     * return type by an identity or widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to the
     * length of the specified array
     * @see Array#get
     */
    public static native double getDouble(Object array, int index)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified new value.  The new value is first
     * automatically unwrapped if the array has a primitive component
     * type.
     * @param array the array
     * @param index the index into the array
     * @param value the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null, or if the array component type is primitive and the specified
     * value is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the array component type is primitive and
     * the specified value cannot be converted to the primitive type by
     * a combination of unwrapping and identity or widening conversions
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     */
    public static native void set(Object array, int index, Object value)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>boolean</code> value.
     * @param array the array
     * @param index the index into the array
     * @param z the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setBoolean(Object array, int index, boolean z)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>byte</code> value.
     * @param array the array
     * @param index the index into the array
     * @param b the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
      * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setByte(Object array, int index, byte b)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>char</code> value.
     * @param array the array
     * @param index the index into the array
     * @param c the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setChar(Object array, int index, char c)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>short</code> value.
     * @param array the array
     * @param index the index into the array
     * @param s the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setShort(Object array, int index, short s)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>int</code> value.
     * @param array the array
     * @param index the index into the array
     * @param i the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setInt(Object array, int index, int i)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>long</code> value.
     * @param array the array
     * @param index the index into the array
     * @param l the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setLong(Object array, int index, long l)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>float</code> value.
     * @param array the array
     * @param index the index into the array
     * @param f the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setFloat(Object array, int index, float f)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /**
     * Sets the value of the indexed component of the specified array
     * object to the specified <code>double</code> value.
     * @param array the array
     * @param index the index into the array
     * @param d the new value of the indexed component
     * @exception NullPointerException If the specified object argument
     * is null
     * @exception IllegalArgumentException If the specified object argument
     * is not an array, or if the the specified value cannot be converted
     * to the underlying array's component type by an identity or a
     * primitive widening widening conversion
     * @exception ArrayIndexOutOfBoundsException If the specified <code>index</code> 
     * argument is negative, or if it is greater than or equal to
     * the length of the specified array
     * @see Array#set
     */
    public static native void setDouble(Object array, int index, double d)
	throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

    /*
     * Private
     */

    private static native Object newArray(Class componentType, int length)
	throws NegativeArraySizeException;

    private static native Object multiNewArray(Class componentType,
	int[] dimensions)
	throws IllegalArgumentException, NegativeArraySizeException;


}