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24 changes: 24 additions & 0 deletions src/Tree.java
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Original file line number Diff line number Diff line change
@@ -1,2 +1,26 @@
public class Tree {
Tree root;
Tree subtrees;

private static String str(){
return Tree.str_indented();
}

private static String str_indented(Integer depth){
if (Tree.is_empty()){
return "";
}
else{
StringBuilder s = new StringBuilder((" " * depth) + str(Tree.root) + '\n');
for (Tree.root: subtree){
s.append(subtree.str_indented(depth + 1));
}
return s.toString();
}
}

private static String str_indented(){
return "";
}
}