我对编码还很陌生,我正在尝试使用 Math.min 和 Math.max 方法找出整数序列的最小值和最大值。我想我已经弄清楚了大部分事情,但是当我测试它时,最小值是 -2147483648,最大值是 2147483647。我该如何改变它? 这是代码:
/**
* A class to find largest and smallest values of a sequence.
**/
public class DataSet
{
private int smallest = Integer.MIN_VALUE;
private int largest = Integer.MAX_VALUE;
/**
* Adds in integer to sequence.
* @param x the integer added
*/
public void addValue(int x)
{
smallest = Math.min(smallest, x);
largest = Math.max(largest, x);
}
/**
* Returns the smallest value.
* @return the smallest value
*/
public int getSmallest()
{
return smallest;
}
/**
* Returns the largest value.
* @return the largest value
*/
public int getLargest()
{
return largest;
}
}
这是测试人员:
/**
* A class to test the DataSet class.
*/
public class DataSetTester
{
public static void main(String[] args)
{
DataSet myData = new DataSet();
myData.addValue(11);
myData.addValue(4);
myData.addValue(6);
myData.addValue(9);
System.out.println("Smallest: " + myData.getSmallest());
System.out.println("Expected: 4");
System.out.println("Largest: " + myData.getLargest());
System.out.println("Expected: 11");
}
}
最佳答案
交换smallest
和largest
的初始条件。变化
private int smallest = Integer.MIN_VALUE;
private int largest = Integer.MAX_VALUE;
到
private int smallest = Integer.MAX_VALUE;
private int largest = Integer.MIN_VALUE;
因为没有 int
值小于 MIN_VALUE
(或大于 MAX_VALUE
)。
关于Java-如何在整数序列中找到最小值和最大值?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39283322/