所以基本上我正在尝试制作看起来像这样的树铝/ \鲍勃·卡罗尔/ \黛比·伊莱恩
我相信我现在订购的方式是
Al
\
Bob
\
Carol
\
Debby
\
Elaine
BNode root;
public lab6M(){
root = null;
}
public boolean add(String s){
root = add(s, root);
return true;
}
private BNode add(String s, BNode b){
if(b == null)
b = new BNode(s);
else if(b.value.compareTo(s) == 0)
return b;
else if(b.value.compareTo(s) > 0)
b.left = add(s, b.left);
else
b.right = add(s, b.right);
return b;
}
尝试这样插入:
private BNode add(String key, BNode node){
if(node == null)
return node = new BNode(key);
int cmp = key.compareTo(node.value);
else if(cmp == 0)
node.value = key;
else if(cmp < 0)
node.left = add(key, node.left);
else
node.right = add(key, node.right);
return node;
}