java bitset

BitSet类hashCode()方法 (BitSet Class hashCode() method)

• hashCode() method is available in java.util package.

  hashCode()方法在java.util包中可用。

• hashCode() method is used to retrieve hash code for this bit set (BitSet).

  hashCode()方法用于检索此位集(BitSet)的哈希码。

• hashCode() method is a non-static method, so it is accessible with the class object and if we try to access the method with the class name then we will get an error.

  hashCode()方法是一种非静态方法，因此可以通过类对象进行访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• hashCode() method does not throw an exception at the time of retrieving hash code.

  hashCode()方法在检索哈希码时不会引发异常。

Syntax:

句法：

    public int hashCode();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of this method is int, it returns hash code value for this BitSet.

此方法的返回类型为int ，它返回此BitSet的哈希码值。

Example:

例：

// Java program to demonstrate the example 
// of int hashCode() method of BitSet.
import java.util.*;
public class HashCodeOfBitSet {
public static void main(String[] args) {
// create an object of BitSet
BitSet bs = new BitSet(10);
// By using set() method is to set
// the values in BitSet 
bs.set(10);
bs.set(20);
bs.set(30);
bs.set(40);
bs.set(50);
// Display Bitset
System.out.println("bs: " + bs);
// By using hashCode() method is to return
// the hash code of this BitSet
int hc = bs.hashCode();
// Display hash code of bs
System.out.println("bs.hashCode(): " + hc);
}
}

Output

输出量

bs: {10, 20, 30, 40, 50}
bs.hashCode(): 1075053010

翻译自: https://www.includehelp.com/java/bitset-hashcode-method-with-example.aspx

java bitset