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<H2><FONT size=-1>org.json</FONT> <BR>Class JSONObject</H2><PRE>java.lang.Object
<IMG alt="extended by " src="JSONObject.files/inherit.gif"><B>org.json.JSONObject</B>
</PRE>
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<DL>
<DT><PRE>public class <B>JSONObject</B><DT>extends java.lang.Object</DT></PRE></DT></DL><PRE></PRE>
<P>A JSONObject is an unordered collection of name/value pairs. Its external
form is a string wrapped in curly braces with colons between the names and
values, and commas between the values and names. The internal form is an object
having <CODE>get</CODE> and <CODE>opt</CODE> methods for accessing the values by
name, and <CODE>put</CODE> methods for adding or replacing values by name. The
values can be any of these types: <CODE>Boolean</CODE>, <CODE>JSONArray</CODE>,
<CODE>JSONObject</CODE>, <CODE>Number</CODE>, <CODE>String</CODE>, or the
<CODE>JSONObject.NULL</CODE> object. A JSONObject constructor can be used to
convert an external form JSON text into an internal form whose values can be
retrieved with the <CODE>get</CODE> and <CODE>opt</CODE> methods, or to convert
values into a JSON text using the <CODE>put</CODE> and <CODE>toString</CODE>
methods. A <CODE>get</CODE> method returns a value if one can be found, and
throws an exception if one cannot be found. An <CODE>opt</CODE> method returns a
default value instead of throwing an exception, and so is useful for obtaining
optional values.
<P>The generic <CODE>get()</CODE> and <CODE>opt()</CODE> methods return an
object, which you can cast or query for type. There are also typed
<CODE>get</CODE> and <CODE>opt</CODE> methods that do type checking and type
coersion for you.
<P>The <CODE>put</CODE> methods adds values to an object. For example, <PRE> myString = new JSONObject().put("JSON", "Hello, World!").toString();</PRE>produces
the string <CODE>{"JSON": "Hello, World"}</CODE>.
<P>The texts produced by the <CODE>toString</CODE> methods strictly conform to
the JSON sysntax rules. The constructors are more forgiving in the texts they
will accept:
<UL>
<LI>An extra <CODE>,</CODE> <SMALL>(comma)</SMALL> may appear just before
the closing brace.
<LI>Strings may be quoted with <CODE>'</CODE> <SMALL>(single
quote)</SMALL>.
<LI>Strings do not need to be quoted at all if they do not begin with a quote
or single quote, and if they do not contain leading or trailing spaces, and if
they do not contain any of these characters: <CODE>{ } [ ] / \ : , = ;
#</CODE> and if they do not look like numbers and if they are not the reserved
words <CODE>true</CODE>, <CODE>false</CODE>, or <CODE>null</CODE>.
<LI>Keys can be followed by <CODE>=</CODE> or <CODE>=></CODE> as well as by
<CODE>:</CODE>.
<LI>Values can be followed by <CODE>;</CODE> <SMALL>(semicolon)</SMALL> as
well as by <CODE>,</CODE> <SMALL>(comma)</SMALL>.
<LI>Numbers may have the <CODE>0-</CODE> <SMALL>(octal)</SMALL> or
<CODE>0x-</CODE> <SMALL>(hex)</SMALL> prefix.
<LI>Comments written in the slashshlash, slashstar, and hash conventions will
be ignored. </LI></UL>
<P>
<P>
<DL>
<DT><B>Version:</B>
<DD>3 </DD></DL>
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