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java.lang.Objectcom.google.common.base.Objects
public final class Objects
Helper functions that can operate on any Object.
| Method Summary | |
|---|---|
static boolean |
equal(Object a,
Object b)
Determines whether two possibly-null objects are equal. |
static int |
hashCode(Object... objects)
Generates a hash code for multiple values. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
public static boolean equal(@Nullable
Object a,
@Nullable
Object b)
true if a and b are both null.
true if a and b are both non-null and they are
equal according to Object.equals(Object).
false in all other situations.
This assumes that any non-null objects passed to this function conform
to the equals() contract.
public static int hashCode(Object... objects)
Arrays.hashCode(Object[]).
This is useful for implementing Object.hashCode(). For example,
in an object that has three properties, x, y, and
z, one could write:
public int hashCode() {
return Objects.hashCode(getX(), getY(), getZ());
}
Warning: When a single object is supplied, the returned hash code
does not equal the hash code of that object.
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