listdel.java

来自「高质量Java程序设计 源代码」· Java 代码 · 共 28 行

package net.betterjava.collection.performance.list;

import java.util.List;
import java.util.Collection;
import java.util.Collections;

public class ListDel extends AbstractListTest {

	public ListDel() {
		super();
	}

	protected long runTestBody(int rpts, List innerList) {
		Collection c = Collections.nCopies(rpts, "");
		innerList.addAll(c);
		long elapse = System.currentTimeMillis();
		for (int j = 0; j < rpts; j++) {
			innerList.remove(innerList.size() / 2);
		}
		return System.currentTimeMillis() - elapse;
	}

	public static void main(String[] args) {
		AbstractListTest test = new ListDel();
		test.run();
	}
}