proguard.util

Class ObjectUtil

java.lang.Object

proguard.util.ObjectUtil

public class ObjectUtil
extends java.lang.Object

This class contains utility methods operating on instances.

Constructor Summary

Constructors

Constructor and Description
ObjectUtil()

Method Summary

Modifier and Type	Method and Description
static int	compare(java.lang.Comparable object1, java.lang.Comparable object2) Returns a comparison of the two given objects.
static boolean	equal(java.lang.Object object1, java.lang.Object object2) Returns whether the given objects are the same.
static int	hashCode(java.lang.Object object) Returns the hash code of the given object, or 0 if it is null.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectUtil

public ObjectUtil()

Method Detail

equal

public static boolean equal(java.lang.Object object1,
                            java.lang.Object object2)

Returns whether the given objects are the same.

Parameters:

object1 - the first object, may be null.

object2 - the second object, may be null.

Returns:

whether the objects are the same.

hashCode

public static int hashCode(java.lang.Object object)

Returns the hash code of the given object, or 0 if it is null.

Parameters:

object - the object, may be null.

Returns:

the hash code.

compare

public static int compare(java.lang.Comparable object1,
                          java.lang.Comparable object2)

Returns a comparison of the two given objects.

Parameters:

object1 - the first object, may be null.

object2 - the second object, may be null.

Returns:

-1, 0, or 1.

See Also:

Comparable.compareTo(Object)