java.lang
Class Boolean
java.lang.Object
|
+--java.lang.Boolean
- public final class Boolean
- extends Object
The Boolean class wraps a value of the primitive type
boolean
in an object. An object of type
Boolean
contains a single field whose type is
boolean
.
- Since:
- JDK1.0, CLDC 1.0
Constructor Summary |
Boolean(boolean value)
Allocates a Boolean object representing the
value argument. |
Method Summary |
boolean |
booleanValue()
Returns the value of this Boolean object as a boolean
primitive. |
boolean |
equals(Object obj)
Returns true if and only if the argument is not
null and is a Boolean object that
represents the same boolean value as this object. |
int |
hashCode()
Returns a hash code for this Boolean object. |
String |
toString()
Returns a String object representing this Boolean's value. |
Boolean
public Boolean(boolean value)
- Allocates a
Boolean
object representing the
value
argument.
- Parameters:
value
- the value of the Boolean
.
booleanValue
public boolean booleanValue()
- Returns the value of this Boolean object as a boolean
primitive.
- Returns:
- the primitive
boolean
value of this object.
toString
public String toString()
- Returns a String object representing this Boolean's value.
If this object represents the value
true
, a string equal
to "true"
is returned. Otherwise, a string equal to
"false"
is returned.
- Overrides:
toString
in class Object
- Returns:
- a string representation of this object.
hashCode
public int hashCode()
- Returns a hash code for this Boolean object.
- Overrides:
hashCode
in class Object
- Returns:
- the integer 1231 if this object represents
true; returns the integer 1237 if this
object represents false.
equals
public boolean equals(Object obj)
- Returns
true
if and only if the argument is not
null
and is a Boolean
object that
represents the same boolean
value as this object.
- Overrides:
equals
in class Object
- Parameters:
obj
- the object to compare with.- Returns:
true
if the Boolean objects represent the
same value; false
otherwise.
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