public?class?BinaryTree?extends?BinaryTreeBasis?{
??public?BinaryTree（）?{
??}??//?end?default?constructor

??public?BinaryTree（object?rootItem）?{
????super（rootItem）;
??}??//?end?constructor

??public?BinaryTree（object?rootItem?
????????????????????BinaryTree?leftTree?
????????????????????BinaryTree?rightTree）?{
????root?=?new?TreeNode（rootItem?null?null）;
????attachLeftSubtree（leftTree）;
????attachRightSubtree（rightTree）;
??}??//?end?constructor

??public?void?setRootItem（object?newItem）?{
????if?（root?!=?null）?{
??????root.setItem（newItem）;
????}
????else?{
??????root?=?new?TreeNode（newItem?null?null）;
????}??//?end?if
??}??//?end?setRootItem

??public?void?attachLeft（object?newItem）?{
????if?（!isEmpty（）?&&?root.getLeft（）?==?null）?{
??????//?assertion:?no

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-10?08:33??huffman\
?????文件?????????226??2019-07-04?16:31??huffman\.classpath
?????文件?????????383??2019-07-04?16:31??huffman\.project
?????文件????????2362??2019-07-10?08:33??huffman\BinaryTree.class
?????文件????????3564??2000-09-11?13:08??huffman\BinaryTree.java
?????文件????????1082??2019-07-10?08:33??huffman\BinaryTreeBasis.class
?????文件?????????972??2004-05-03?12:54??huffman\BinaryTreeBasis.java
?????文件?????????423??2019-07-10?08:33??huffman\BitReader$NoBitsLeftToReturn.class
?????文件????????2114??2019-07-10?08:33??huffman\BitReader.class
?????文件????????2659??2003-10-09?16:28??huffman\BitReader.java
?????文件?????????462??2019-07-10?08:33??huffman\BitWriter$BitWriterClosedAlreadyException.class
?????文件?????????426??2019-07-10?08:33??huffman\BitWriter$InvalidBitException.class
?????文件????????2540??2019-07-10?08:33??huffman\BitWriter.class
?????文件????????5058??2003-10-09?16:26??huffman\BitWriter.java
?????文件????????1046??2019-07-10?08:33??huffman\CharFreq.class
?????文件?????????506??2003-10-09?16:25??huffman\CharFreq.java
?????文件????????5705??2005-05-20?08:00??huffman\Q2Resources.zip
?????文件?????????900??2019-07-10?08:33??huffman\TextZip$1.class
?????文件????????9237??2019-07-10?08:33??huffman\TextZip.class
?????文件???????16462??2019-07-05?12:43??huffman\TextZip.java
?????文件?????????332??2019-07-10?08:33??huffman\TreeException.class
?????文件?????????155??2003-10-09?16:24??huffman\TreeException.java
?????文件????????1492??2019-07-10?08:33??huffman\TreeNode.class
?????文件????????1507??2003-10-09?16:24??huffman\TreeNode.java
?????文件??????????20??2019-07-05?10:39??huffman\a.freq
?????文件???????????7??2019-07-05?10:39??huffman\a.txt
?????文件???????????3??2019-07-05?10:39??huffman\a.txz
?????文件??????????83??2011-07-04?20:15??huffman\file.txt
?????文件??????248697??2011-07-04?20:28??huffman\huffman.pdf