setcontains.java

来自「高质量Java程序设计 源代码」· Java 代码 · 共 29 行

package net.betterjava.collection.performance.set;

import java.util.Set;
import java.util.Collection;
import java.util.Collections;

public class SetContains extends AbstractSetTest {

	public SetContains() {
		super();
	}

	protected long runTestBody(int rpts, Set innerSet) {
		for (int j = 0; j < rpts / 2; j++) {
			innerSet.add(String.valueOf(j));
		}
		long elapse = System.currentTimeMillis();
		for (int j = 0; j < rpts; j++) {
			innerSet.contains(String.valueOf(j));
		}
		return System.currentTimeMillis() - elapse;
	}

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