DoublingRatio

java.lang.Object
- edu.princeton.cs.algs4.DoublingRatio

```
public class DoublingRatio
extends java.lang.Object
```
The DoublingRatio class provides a client for measuring the running time of a method using a doubling ratio test.
For additional documentation, see Section 1.4 of Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne.

方法概要

修饰符和类型	方法	说明
`static void`	`main(java.lang.String[] args)`	Prints table of running times to call `ThreeSum.count()` for arrays of size 250, 500, 1000, 2000, and so forth, along with ratios of running times between successive array sizes.
`static double`	`timeTrial(int n)`	Returns the amount of time to call `ThreeSum.count()` with n random 6-digit integers.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 方法详细资料
  - timeTrial
```
public static double timeTrial(int n)
```
    Returns the amount of time to call ThreeSum.count() with n random 6-digit integers.
    
    参数:
    
    n - the number of integers
    
    返回:
    
    amount of time (in seconds) to call ThreeSum.count() with n random 6-digit integers
  - main
```
public static void main(java.lang.String[] args)
```
    Prints table of running times to call ThreeSum.count() for arrays of size 250, 500, 1000, 2000, and so forth, along with ratios of running times between successive array sizes.
    
    参数:
    
    args - the command-line arguments