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Main2.java
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51 lines (38 loc) · 1.35 KB
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import java.util.ArrayList;
import java.util.Random;
public class Main2 {
public static void main(String[] args) {
int n = 20000000;
long startTime;
long endTime;
double time;
Random random = new Random();
ArrayList<Integer> testData = new ArrayList<>();
for (int i = 0; i < n; i++)
testData.add(random.nextInt(Integer.MAX_VALUE));
// Test BST
startTime = System.nanoTime();
BST<Integer, Integer> bst = new BST<>();
for (Integer x : testData)
bst.add(x, x);
endTime = System.nanoTime();
time = (endTime - startTime) / 1000000000.0;
System.out.println("BST: " + time + " s");
// Test AVLTree
startTime = System.nanoTime();
AVLTree<Integer, Integer> avl = new AVLTree<>();
for (Integer x : testData)
avl.add(x, x);
endTime = System.nanoTime();
time = (endTime - startTime) / 1000000000.0;
System.out.println("AVLTree: " + time + " s");
// Test RBTree
startTime = System.nanoTime();
RBTree<Integer, Integer> rbt = new RBTree<>();
for (Integer x : testData)
rbt.add(x, x);
endTime = System.nanoTime();
time = (endTime - startTime) / 1000000000.0;
System.out.println("RBTree: " + time + " s");
}
}