20.4

java.lang.Boolean

THE PACKAGE JAVA.LANG

20.4.5

public String toString()

If this

Boolean

 object represents

true

, a string equal to

"true"

 is returned. If

this

Boolean

 object represents

false

, a string equal to

"false"

 is returned.

Overrides the

toString

 method of

Object

 ( 20.1.2).

20.4.6

public boolean equals(Object obj)

The result is

true

 if and only if the argument is not

null

 and is a

Boolean

 object

that represents the same

boolean

 value as this

Boolean

 object.

Overrides the

equals

 method of

Object

 ( 20.1.3).

20.4.7

public int hashCode()

If this

Boolean

 object represents

true

, the integer

1231

 is returned. If this

Boolean

object represents

false

, the integer

1237

 is returned.

Overrides the

hashCode

 method of

Object

 ( 20.1.4).

20.4.8

public boolean booleanValue()

The primitive

boolean

 value represented by this

Boolean

 object is returned.

20.4.9

public static boolean valueOf(String s)

The result is

true

 if and only if the argument is not

null

 and is equal, ignoring

case, to the string

"true"

.

Example:

Boolean.valueOf("True")

 returns

true

.

Example:

Boolean.valueOf("yes")

 returns

false

.

20.4.10

public static boolean getBoolean(String name)

The result is

true

 if and only if the value of the system property ( 20.18.9) named

by the argument is equal, ignoring case, to the string

"true"

.

This above all: to thine ownself be true,

And it must follow, as the night the day,

Thou canst not then be false to any man.

 William Shakespeare,

Hamlet

, Act I, scene iii

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