Guava – Chars.hashCode()方法与实例

Guava Chars.hashCode()方法与实例

Chars.hashCode()是Guava库中Chars类的一个方法,用于返回一个char值的哈希代码。hashCode是一个唯一的整数值,是由编译器为一个对象计算的。如果对象的值没有变化,它将保持不变。

语法:

public static int hashCode(char value)

参数: 这个方法需要一个强制性的参数 value ,这个参数是一个要找到hashCode的char值。

返回值: 该方法返回一个整数值,即指定值的散列代码。

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.hashCode() method
  
import com.google.common.primitives.Chars;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
        // Using Chars.hashCode() method to
        // get the hash code for value
        System.out.println("HashCode value of y: "
                           + Chars.hashCode('y'));
    }
}

输出:

HashCode value of y: 121

示例2:

// Java code to show implementation of
// Guava's Chars.hashCode() method
  
import com.google.common.primitives.Chars;
import java.util.Arrays;
  
class GFG {
  
    // Driver's code
    public static void main(String[] args)
    {
        // Using Chars.hashCode() method to
        // get the hash code for value
        System.out.println("HashCode value of J: "
                           + Chars.hashCode('J'));
    }
}

输出:

HashCode value of J: 74

参考: https://google.github.io/guava/releases/23.0/api/docs/com/google/common/primitives/Chars.html#hashCode-char-

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