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MID Profile: Class String
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java.lang</FONT>
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Class String</H2>
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<A HREF="../../java/lang/Object.html">java.lang.Object</A>
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+--<B>java.lang.String</B>
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<DT>public final class <B>String</B><DT>extends <A HREF="../../java/lang/Object.html">Object</A></DL>
<P>
The <code>String</code> class represents character strings. All string literals in Java programs, such as <code>"abc"</code>, are implemented as instances of this class. <p> Strings are constant; their values cannot be changed after they are created. String buffers support mutable strings. Because String objects are immutable they can be shared. For example: <p><blockquote><pre> String str = "abc"; </pre></blockquote><p> is equivalent to: <p><blockquote><pre> char data[] = {'a', 'b', 'c'}; String str = new String(data); </pre></blockquote><p> Here are some more examples of how strings can be used: <p><blockquote><pre> System.out.println("abc"); String cde = "cde"; System.out.println("abc" + cde); String c = "abc".substring(2,3); String d = cde.substring(1, 2); </pre></blockquote> <p> The class <code>String</code> includes methods for examining individual characters of the sequence, for comparing strings, for searching strings, for extracting substrings, and for creating a copy of a string with all characters translated to uppercase or to lowercase. <p> The Java language provides special support for the string concatenation operator ( + ), and for conversion of other objects to strings. String concatenation is implemented through the <code>StringBuffer</code> class and its <code>append</code> method. String conversions are implemented through the method <code>toString</code>, defined by <code>Object</code> and inherited by all classes in Java. For additional information on string concatenation and conversion, see Gosling, Joy, and Steele, <i>The Java Language Specification</i>.
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<DT><B>Since: </B><DD>JDK1.0, CLDC 1.0</DD>
<DT><B>See Also: </B><DD><A HREF="../../java/lang/Object.html#toString()"><CODE>Object.toString()</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html"><CODE>StringBuffer</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(boolean)"><CODE>StringBuffer.append(boolean)</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(char)"><CODE>StringBuffer.append(char)</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(char[])"><CODE>StringBuffer.append(char[])</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(char[], int, int)"><CODE>StringBuffer.append(char[], int, int)</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(int)"><CODE>StringBuffer.append(int)</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(long)"><CODE>StringBuffer.append(long)</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(java.lang.Object)"><CODE>StringBuffer.append(java.lang.Object)</CODE></A>,
<A HREF="../../java/lang/StringBuffer.html#append(java.lang.String)"><CODE>StringBuffer.append(java.lang.String)</CODE></A></DL>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String()">String</A></B>()</CODE>
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Initializes a newly created <code>String</code> object so that it represents an empty character sequence.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(byte[])">String</A></B>(byte[] bytes)</CODE>
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Construct a new <code>String</code> by converting the specified array of bytes using the platform's default character encoding.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(byte[], int, int)">String</A></B>(byte[] bytes, int off, int len)</CODE>
<BR>
Construct a new <code>String</code> by converting the specified subarray of bytes using the platform's default character encoding.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(byte[], int, int, java.lang.String)">String</A></B>(byte[] bytes, int off, int len, <A HREF="../../java/lang/String.html">String</A> enc)</CODE>
<BR>
Construct a new <code>String</code> by converting the specified subarray of bytes using the specified character encoding.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(byte[], java.lang.String)">String</A></B>(byte[] bytes, <A HREF="../../java/lang/String.html">String</A> enc)</CODE>
<BR>
Construct a new <code>String</code> by converting the specified array of bytes using the specified character encoding.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(char[])">String</A></B>(char[] value)</CODE>
<BR>
Allocates a new <code>String</code> so that it represents the sequence of characters currently contained in the character array argument.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(char[], int, int)">String</A></B>(char[] value, int offset, int count)</CODE>
<BR>
Allocates a new <code>String</code> that contains characters from a subarray of the character array argument.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(java.lang.String)">String</A></B>(<A HREF="../../java/lang/String.html">String</A> value)</CODE>
<BR>
Initializes a newly created <code>String</code> object so that it represents the same sequence of characters as the argument; in other words, the newly created string is a copy of the argument string.</TD>
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<TD><CODE><B><A HREF="../../java/lang/String.html#String(java.lang.StringBuffer)">String</A></B>(<A HREF="../../java/lang/StringBuffer.html">StringBuffer</A> buffer)</CODE>
<BR>
Allocates a new string that contains the sequence of characters currently contained in the string buffer argument.</TD>
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<CODE> char</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../java/lang/String.html#charAt(int)">charAt</A></B>(int index)</CODE>
<BR>
Returns the character at the specified index.</TD>
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<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../java/lang/String.html#compareTo(java.lang.String)">compareTo</A></B>(<A HREF="../../java/lang/String.html">String</A> anotherString)</CODE>
<BR>
Compares two strings lexicographically.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../java/lang/String.html">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../java/lang/String.html#concat(java.lang.String)">concat</A></B>(<A HREF="../../java/lang/String.html">String</A> str)</CODE>
<BR>
Concatenates the specified string to the end of this string.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../java/lang/String.html#endsWith(java.lang.String)">endsWith</A></B>(<A HREF="../../java/lang/String.html">String</A> suffix)</CODE>
<BR>
Tests if this string ends with the specified suffix.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../java/lang/String.html#equals(java.lang.Object)">equals</A></B>(<A HREF="../../java/lang/Object.html">Object</A> anObject)</CODE>
<BR>
Compares this string to the specified object.</TD>
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<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../java/lang/String.html#getBytes()">getBytes</A></B>()</CODE>
<BR>
Convert this <code>String</code> into bytes according to the platform's default character encoding, storing the result into a new byte array.</TD>
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<CODE> byte[]</CODE></FONT></TD>
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