boolean.html

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<A NAME="TRUE"><!-- --></A><H3>
TRUE</H3>
<PRE>
public static final <A HREF="../../java/lang/Boolean.html">Boolean</A> <B>TRUE</B></PRE>
<DL>
<DD>The <code>Boolean</code> object corresponding to the primitive 
 value <code>true</code>.</DL>
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<A NAME="FALSE"><!-- --></A><H3>
FALSE</H3>
<PRE>
public static final <A HREF="../../java/lang/Boolean.html">Boolean</A> <B>FALSE</B></PRE>
<DL>
<DD>The <code>Boolean</code> object corresponding to the primitive 
 value <code>false</code>.</DL>
<HR>

<A NAME="TYPE"><!-- --></A><H3>
TYPE</H3>
<PRE>
public static final <A HREF="../../java/lang/Class.html">Class</A> <B>TYPE</B></PRE>
<DL>
<DD>The Class object representing the primitive type boolean.<DD><DL>
<DT><B>Since: </B><DD>JDK1.1</DD>
</DL>
</DD>
</DL>

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<A NAME="Boolean(boolean)"><!-- --></A><H3>
Boolean</H3>
<PRE>
public <B>Boolean</B>(boolean&nbsp;value)</PRE>
<DL>
<DD>Allocates a <code>Boolean</code> object representing the 
 <code>value</code> argument.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the value of the <code>Boolean</code>.</DL>
</DD>
</DL>
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<A NAME="Boolean(java.lang.String)"><!-- --></A><H3>
Boolean</H3>
<PRE>
public <B>Boolean</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;s)</PRE>
<DL>
<DD>Allocates a <code>Boolean</code> object representing the value 
 <code>true</code> if the string argument is not <code>null</code> 
 and is equal, ignoring case, to the string <code>"true"</code>. 
 Otherwise, allocate a <code>Boolean</code> object representing the 
 value <code>false</code>. Examples:<p>
 <tt>new&nbsp;Boolean("True")</tt> produces a <tt>Boolean</tt> object 
 that represents <tt>true</tt>.<br>
 <tt>new&nbsp;Boolean("yes")</tt> produces a <tt>Boolean</tt> object 
 that represents <tt>false</tt>.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>s</CODE> - the string to be converted to a <code>Boolean</code>.</DL>
</DD>
</DL>

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<A NAME="booleanValue()"><!-- --></A><H3>
booleanValue</H3>
<PRE>
public boolean <B>booleanValue</B>()</PRE>
<DL>
<DD>Returns the value of this <tt>Boolean</tt> object as a boolean 
 primitive.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the primitive <code>boolean</code> value of this object.</DL>
</DD>
</DL>
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<A NAME="valueOf(java.lang.String)"><!-- --></A><H3>
valueOf</H3>
<PRE>
public static <A HREF="../../java/lang/Boolean.html">Boolean</A> <B>valueOf</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;s)</PRE>
<DL>
<DD>Returns a <code>Boolean</code> with a value represented by the
 specified String.  The <code>Boolean</code> returned represents the
 value <code>true</code> if the string argument is not <code>null</code>
 and is equal, ignoring case, to the string <code>"true"</code>. <p>
 Example: <tt>Boolean.valueOf("True")</tt> returns <tt>true</tt>.<br>
 Example: <tt>Boolean.valueOf("yes")</tt> returns <tt>false</tt>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>s</CODE> - a string.<DT><B>Returns:</B><DD>the <code>Boolean</code> value represented by the string.</DL>
</DD>
</DL>
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<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Returns a String object representing this Boolean's value.
 If this object represents the value <code>true</code>, a string equal 
 to <code>"true"</code> is returned. Otherwise, a string equal to 
 <code>"false"</code> is returned.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a string representation of this object.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns a hash code for this <tt>Boolean</tt> object.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the integer <tt>1231</tt> if this object represents 
 <tt>true</tt>; returns the integer <tt>1237</tt> if this 
 object represents <tt>false</tt>.</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="../../java/lang/Object.html">Object</A>&nbsp;obj)</PRE>
<DL>
<DD>Returns <code>true</code> if and only if the argument is not 
 <code>null</code> and is a <code>Boolean </code>object that 
 represents the same <code>boolean</code> value as this object.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object to compare with.<DT><B>Returns:</B><DD><code>true</code> if the Boolean objects represent the 
          same value; <code>false</code> otherwise.</DL>
</DD>
</DL>
<HR>

<A NAME="getBoolean(java.lang.String)"><!-- --></A><H3>
getBoolean</H3>
<PRE>
public static boolean <B>getBoolean</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;name)</PRE>
<DL>
<DD>Returns <code>true</code> if and only if the system property 
 named by the argument exists and is equal to the string 
 <code>"true"</code>. (Beginning with version 1.0.2 of the 
 Java<font size="-2"><sup>TM</sup></font> platform, the test of 
 this string is case insensitive.) A system property is accessible 
 through <code>getProperty</code>, a method defined by the 
 <code>System</code> class.
 <p>
 If there is no property with the specified name, or if the specified
 name is empty or null, then <code>false</code> is returned.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the system property name.<DT><B>Returns:</B><DD>the <code>boolean</code> value of the system property.<DT><B>See Also: </B><DD><A HREF="../../java/lang/System.html#getProperty(java.lang.String)"><CODE>System.getProperty(java.lang.String)</CODE></A>, 
<A HREF="../../java/lang/System.html#getProperty(java.lang.String, java.lang.String)"><CODE>System.getProperty(java.lang.String, java.lang.String)</CODE></A></DL>
</DD>
</DL>
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