net.anotheria.util.sizeof

Class SizeofUtility

java.lang.Object

net.anotheria.util.sizeof.SizeofUtility

public class SizeofUtility
extends Object

Utility to calculate size of objects in memory.

Author:

lrosenberg

Field Summary

Fields

Modifier and Type	Field and Description
static int	SIZEOF_BOOLEAN Size of a boolean variable.
static int	SIZEOF_BYTE Size of a byte variable.
static int	SIZEOF_CHAR Size of a char variable.
static int	SIZEOF_DOUBLE Size of a double variable.
static int	SIZEOF_FLOAT Size of a float variable.
static int	SIZEOF_INT Size of an integer variable.
static int	SIZEOF_LONG Size of a long variable.
static int	SIZEOF_OBJECT_OVERHEAD Overhead of an object.
static int	SIZEOF_REFERENCE
static int	SIZEOF_SHORT Size of a short variable.
static int	VM Size range of the VM.

Constructor Summary

Constructors

Constructor and Description
SizeofUtility()

Method Summary

Methods

Modifier and Type	Method and Description
static int	deepSizeof(Object o)
static void	main(String[] a)
static int	shortSizeof(Object o)
static int	sizeof(Object o, boolean deep)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SIZEOF_INT

public static final int SIZEOF_INT

Size of an integer variable.

See Also:

Constant Field Values

SIZEOF_BYTE

public static final int SIZEOF_BYTE

Size of a byte variable.

See Also:

Constant Field Values

SIZEOF_LONG

public static final int SIZEOF_LONG

Size of a long variable.

See Also:

Constant Field Values

SIZEOF_FLOAT

public static final int SIZEOF_FLOAT

Size of a float variable.

See Also:

Constant Field Values

SIZEOF_DOUBLE

public static final int SIZEOF_DOUBLE

Size of a double variable.

See Also:

Constant Field Values

SIZEOF_CHAR

public static final int SIZEOF_CHAR

Size of a char variable.

See Also:

Constant Field Values

SIZEOF_SHORT

public static final int SIZEOF_SHORT

Size of a short variable.

See Also:

Constant Field Values

SIZEOF_BOOLEAN

public static final int SIZEOF_BOOLEAN

Size of a boolean variable.

See Also:

Constant Field Values

VM

public static final int VM

Size range of the VM.

See Also:

Constant Field Values

SIZEOF_REFERENCE

public static final int SIZEOF_REFERENCE

See Also:

Constant Field Values

SIZEOF_OBJECT_OVERHEAD

public static final int SIZEOF_OBJECT_OVERHEAD

Overhead of an object.

See Also:

Constant Field Values

Constructor Detail

SizeofUtility

public SizeofUtility()

Method Detail

shortSizeof

public static final int shortSizeof(Object o)
                             throws Exception

Throws:

Exception

deepSizeof

public static final int deepSizeof(Object o)
                            throws Exception

Throws:

Exception

sizeof

public static int sizeof(Object o,
         boolean deep)
                  throws Exception

Throws:

Exception

main

public static void main(String[] a)
                 throws Exception

Throws:

Exception