Guava – Shorts.asList()方法及实例

Guava – Shorts.asList()方法及实例

Guava的Shorts类的Shorts.asList()方法接受一个短数组作为参数并返回一个具有固定大小的列表。返回的列表是由作为参数的短数组支持的。这意味着在作为参数传递的数组中的变化将反映在该方法返回的列表中,反之亦然。

语法:

public static List< Short >asList(short…backingArray)

参数: 该方法接受一个强制性参数backingArray,它是一个短数组,用于支持列表。

返回值: Shorts.asList()方法返回一个固定大小的列表,该列表由作为参数传递给该方法的数组支撑。换句话说,该方法返回数组的列表视图。

下面的例子说明了上述方法的实现。

例1:

// Java code to show implementation of
// Guava's Shorts.asList() method
  
import com.google.common.primitives.Shorts;
import java.util.List;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
  
        // Creating a Short array
        short arr[] = { 1, 2, 3, 4, 5 };
  
        // Using Shorts.asList() method to wrap
        // the specified primitive Short array
        // as a List of the Short type
        List<Short> myList = Shorts.asList(arr);
  
        // Displaying the elements in List
        System.out.println(myList);
    }
}

输出:

[1, 2, 3, 4, 5]

例2:

// Java code to show implementation of
// Guava's Shorts.asList() method
  
import com.google.common.primitives.Shorts;
import java.util.List;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
  
        // Creating a Short array
        short arr[] = { 3, 5, 7 };
  
        // Using Shorts.asList() method to wrap
        // the specified primitive Short array
        // as a List of the Short type
        List<Short> myList = Shorts.asList(arr);
  
        // Displaying the elements in List
        System.out.println(myList);
    }
}

输出:

[3, 5, 7]

参考资料:

https://google.github.io/guava/releases/23.0/api/docs/com/google/common/primitives/Shorts.html#asList-short…-

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