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Task 1 #19

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Task 1 #19

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4d5c78f
test
HC123abc Sep 18, 2023
6218e9f
first few methods
HC123abc Sep 18, 2023
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33 changes: 33 additions & 0 deletions src/Tree.java
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Original file line number Diff line number Diff line change
@@ -1,2 +1,35 @@
import java.util.ArrayList;

public class Tree {
private Object root;
private ArrayList<Tree> subtree;

public Tree( Object root, ArrayList<Tree> subtree){
this.root = root;
if (subtree == null){
this.subtree = new Arraylist<Tree>();
}
else {
this.subtree = subtree;
}
}

public boolean isEmpty(){
return this.root == null;
}

public int len(){
if (this.isEmpty()){
return 0;
}
else{
int size = 1;
for(Tree i : this.subtree){
size += i.len();
}
return size;
}
}


}