stringtodouble.java

来自「高质量Java程序设计 源代码」· Java 代码 · 共 15 行

package net.betterjava.memory.lessobject;

public class StringTodouble {

	public static void main(String[] args) {
		System.out.println("start");
		long time = System.currentTimeMillis();
		for (int i = 1000000; i < 2000000; i++) {
			//Double.valueOf(String.valueOf(i)).doubleValue();
			Double.parseDouble("124125");
		}
		System.out.println("end" + String.valueOf(System.currentTimeMillis() - time));
	}
}