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Main.java
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59 lines (45 loc) · 1.62 KB
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import java.util.ArrayList;
import java.util.Collections;
public class Main {
public static void main(String[] args) {
System.out.println("Pride and Prejudice");
long startTIme;
long endTIme;
ArrayList<String> words = new ArrayList<>();
if (FileOperation.readFile("AVLTree/pride-and-prejudice.txt", words)) {
Collections.sort(words);// 对于BST 来说
// Test BST
startTIme = System.nanoTime();
BST<String, Integer> bst = new BST<>();
for (String word : words) {
if (bst.contains(word))
bst.set(word, bst.get(word) + 1);
else
bst.add(word, 1);
}
// 查询操作
for (String word : words) {
bst.contains(word);
}
endTIme = System.nanoTime();
double time = (endTIme - startTIme) / 1000000000.0;
System.out.println("BST: " + time + " s");
// Test AVL Tree
startTIme = System.nanoTime();
AVLTree<String, Integer> avl = new AVLTree<>();
for (String word : words) {
if (avl.contains(word))
avl.set(word, avl.get(word) + 1);
else
avl.add(word, 1);
}
// 查询操作
for (String word : words) {
avl.contains(word);
}
endTIme = System.nanoTime();
time = (endTIme - startTIme) / 1000000000.0;
System.out.println("AVLTree: " + time + " s");
}
}
}