File	Doc	Category	Size	Date	Package
Array.java	API Doc	Java SE 5 API	20786	Fri Aug 26 14:57:06 BST 2005	java.lang.reflect

Array

• java.lang.Object

Fields Summary

Constructors Summary
private Array() Constructor. Class Array is not instantiable.

Methods Summary
public static native java.lang.Object	get(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object. The value is automatically wrapped in an object if it has a primitive type. param array the array param index the index return the (possibly wrapped) 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 exception ArrayIndexOutOfBoundsException If the specified index argument is negative, or if it is greater than or equal to the length of the specified array
public static native boolean	getBoolean(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a boolean. 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 index argument is negative, or if it is greater than or equal to the length of the specified array see Array#get
public static native byte	getByte(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a byte. 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 index argument is negative, or if it is greater than or equal to the length of the specified array see Array#get
public static native char	getChar(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a char. 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 index 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(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a double. 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 index 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(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a float. 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 index argument is negative, or if it is greater than or equal to the length of the specified array see Array#get
public static native int	getInt(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as an int. 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 index argument is negative, or if it is greater than or equal to the length of the specified array see Array#get
public static native int	getLength(java.lang.Object array) Returns the length of the specified array object, as an int. param array the array return the length of the array exception IllegalArgumentException if the object argument is not an array
public static native long	getLong(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a long. 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 index argument is negative, or if it is greater than or equal to the length of the specified array see Array#get
public static native short	getShort(java.lang.Object array, int index) Returns the value of the indexed component in the specified array object, as a short. 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 index argument is negative, or if it is greater than or equal to the length of the specified array see Array#get
private static native java.lang.Object	multiNewArray(java.lang.Class componentType, int[] dimensions)
private static native java.lang.Object	newArray(java.lang.Class componentType, int length)
public static java.lang.Object	newInstance(java.lang.Class componentType, int length) Creates a new array with the specified component type and length. Invoking this method is equivalent to creating an array as follows: int[] x = {length}; Array.newInstance(componentType, x); param componentType the Class object representing the component type of the new array param length the length of the new array return the new array exception NullPointerException if the specified componentType parameter is null exception IllegalArgumentException if componentType is Void.TYPE exception NegativeArraySizeException if the specified length is negative return newArray(componentType, length);
public static java.lang.Object	newInstance(java.lang.Class componentType, int[] dimensions) Creates a new array with the specified component type and dimensions. If componentType represents a non-array class or interface, the new array has dimensions.length dimensions and  componentType  as its component type. If componentType represents an array class, the number of dimensions of the new array is equal to the sum of dimensions.length and the number of dimensions of componentType. In this case, the component type of the new array is the component type of componentType. The number of dimensions of the new array must not exceed the number of array dimensions supported by the implementation (typically 255). param componentType the Class object representing the component type of the new array param dimensions an array of int types representing the dimensions of the new array return the new array exception NullPointerException if the specified componentType argument is null exception IllegalArgumentException if the specified dimensions argument is a zero-dimensional array, or if the number of requested dimensions exceeds the limit on the number of array dimensions supported by the implementation (typically 255), or if componentType is Void.TYPE. exception NegativeArraySizeException if any of the components in the specified dimensions argument is negative. return multiNewArray(componentType, dimensions);
public static native void	set(java.lang.Object array, int index, java.lang.Object value) 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 exception IllegalArgumentException If the specified object argument is not an array, or if the array component type is primitive and an unwrapping conversion fails exception ArrayIndexOutOfBoundsException If the specified index argument is negative, or if it is greater than or equal to the length of the specified array
public static native void	setBoolean(java.lang.Object array, int index, boolean z) Sets the value of the indexed component of the specified array object to the specified boolean 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, byte b) Sets the value of the indexed component of the specified array object to the specified byte 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, char c) Sets the value of the indexed component of the specified array object to the specified char 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, double d) Sets the value of the indexed component of the specified array object to the specified double 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, float f) Sets the value of the indexed component of the specified array object to the specified float 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, int i) Sets the value of the indexed component of the specified array object to the specified int 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, long l) Sets the value of the indexed component of the specified array object to the specified long 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index 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(java.lang.Object array, int index, short s) Sets the value of the indexed component of the specified array object to the specified short 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 specified value cannot be converted to the underlying array's component type by an identity or a primitive widening conversion exception ArrayIndexOutOfBoundsException If the specified index argument is negative, or if it is greater than or equal to the length of the specified array see Array#set