Guava – Chars.min()方法与实例

Guava Chars.min() 方法与实例

Chars.min() 是Guava库中Chars类的一个方法,用于查找数组中存在的 least 值。该方法返回的值是指定数组中最小的char值。

语法:

public static char min(char... array)

参数: 这个方法需要一个强制参数 array ,它是一个非空的char值数组。

返回值: 本方法返回一个char值,是指定数组中的最小值。

异常情况: 如果数组为空,该方法会抛出IllegalArgumentException。

以下程序说明了上述方法的使用。

示例1:

// Java code to show implementation of
// Guava's Chars.min() method
  
import com.google.common.primitives.Chars;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
  
        // Creating a character array
        char[] arr = { 'A', 'E', 'I', 'O', 'U' };
  
        // Using Chars.min() method to get the
        // minimum value present in the array
        System.out.println("Minimum Value is : "
                           + Chars.min(arr));
    }
}

输出:

Minimum Value is : A

示例2:

// Java code to show implementation of
// Guava's Chars.min() method
  
import com.google.common.primitives.Chars;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
        // Creating a character array
        char[] arr = {};
  
        try {
            // Using Chars.min() method to get the
            // minimum value present in the array
            // This should raise "IllegalArgumentException"
            // as the array is empty
            System.out.println("Minimum Value is : "
                               + Chars.min(arr));
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}

输出:

java.lang.IllegalArgumentException

参考: https://google.github.io/guava/releases/18.0/api/docs/com/google/common/primitives/Chars.html#min(char…)

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