THE PACKAGE JAVA.LANG

java.lang.Boolean

20.4

20.4 The Class

java.lang.Boolean

Objects of type

Boolean

 represent primitive values of type

boolean

.

public final class Boolean {

public static final Boolean TRUE = new Boolean(true);

public static final Boolean FALSE = new Boolean(false);

public Boolean(boolean value);

public Boolean(String s);

public String toString();

public boolean equals(Object obj);

public int hashCode();

public boolean booleanValue();

public static Boolean valueOf(String s);

public static boolean getBoolean(String name);

}

20.4.1

public static final Boolean TRUE = new Boolean(true);

The constant value of this field is a

Boolean

 object corresponding to the primitive

value

true

.

20.4.2

public static final Boolean FALSE = new Boolean(false);

The constant value of this field is a

Boolean

 object corresponding to the primitive

value

false

.

20.4.3

public Boolean(boolean value)

This constructor initializes a newly created

Boolean

 object so that it represents

the primitive value that is the argument.

20.4.4

public Boolean(String s)

This constructor initializes a newly created

Boolean

 object so that it represents

true

 if and only if the argument is not

null

 and is equal, ignoring case, to the

string

"true"

.

Examples:

new Boolean("True")

 produces a

Boolean

 object that represents

true

.

new Boolean("yes")

 produces a

Boolean

 object that represents

false

.

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