java.lang.Object
java.lang.reflect.Array
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- Top Examples, Source Code
public static Object get(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
- NullPointerException
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public static boolean getBoolean(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static byte getByte(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static char getChar(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static double getDouble(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static float getFloat(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static int getInt(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static int getLength(Object array)
throws IllegalArgumentException- Geek's Notes:
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[739]Array get length
By Anonymous on 2004/04/21 05:09:11 Rate
poly [ ] = [ 3,4,5 ] ;
int len = Array.getLength ( poly ) ;
System.out.println ( len ) ;
public static long getLong(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static short getShort(Object array,
int index)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
get(java.lang.Object, int), NullPointerException
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public static Object newInstance(Class<?> componentType,
int length)
throws NegativeArraySizeException- See Also:
- IllegalArgumentException, NullPointerException
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public static Object newInstance(Class<?> componentType,
int[] dimensions)
throws IllegalArgumentException,
NegativeArraySizeException- See Also:
- NullPointerException
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public static void set(Object array,
int index,
Object value)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
- NullPointerException
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public static void setBoolean(Object array,
int index,
boolean z)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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public static void setByte(Object array,
int index,
byte b)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
public static void setChar(Object array,
int index,
char c)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
public static void setDouble(Object array,
int index,
double d)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
public static void setFloat(Object array,
int index,
float f)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
public static void setInt(Object array,
int index,
int i)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
public static void setLong(Object array,
int index,
long l)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
public static void setShort(Object array,
int index,
short s)
throws IllegalArgumentException,
ArrayIndexOutOfBoundsException- See Also:
set(java.lang.Object, int, java.lang.Object), NullPointerException
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- Description Add your codes or notes Search More Java Examples
[1892]Initializing two-dimensional arrays
By Anonymous on 2007/06/15 13:02:58 Rate
* the first dimension represents the rows, the second dimension, the columns
* curly braces { } may also be used to initialize two dimensional arrays. Again they are only valid in array declaration statements.
int [ ] [ ] twoDimArray = { { 1,2,3 } , { 4,5,6 } , { 7,8,9 } } ;
* you can initialize the row dimension without initializing the columns but not vice versa
int [ ] [ ] myArray = new int [ 5 ] [ ] ;
// illegal
int [ ] [ ] myArray = new int [ ] [ 5 ] ;
* the length of the columns can vary
class TestTwoDimArrays {
// initialize # of rows
static int [ ] [ ] myArray = new int [ 3 ] [ ] ;
public static void main ( String [ ] args ) {
myArray [ 0 ] = new int [ 3 ] ; // initialize # of cols
myArray [ 1 ] = new int [ 4 ] ; // in each row
myArray [ 2 ] = new int [ 5 ] ;
for ( int i=0; i < 3; i++ ) // fill and print the array
fillArray ( i, i+3 ) ;
System.out.println ( ) ;
} // end main ( )
private static void fillArray ( int row, int col ) {
for ( int i=0; i < col; i++ )
myArray [ row ] [ i ] = i;
for ( int i=0; i < col; i++ )
System.out.print ( myArray [ row ] [ i ] ) ;
System.out.println ( ) ;
}
}
Output of TestTwoDimArrays:
012
0123
01234
Java API By Example, From Geeks To Geeks.