java bitset

BitSet类和()方法 (BitSet Class and() method)

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

  and()方法在java.util包中可用。

• and() method is used to perform logical AND between two Bitset. This bit set is updated so that every bit holds the value true when and only when both bitsets holds the value true.

  and()方法用于在两个Bitset之间执行逻辑与。 更新此位集，以便仅当且仅当两个位集均都为真时，每个位才为真。

• and() 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.

  and()方法是一个非静态方法，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。

• and() method does not throw an exception at the time of operating logical AND.

  and()方法在进行逻辑AND操作时不会引发异常。

Syntax:

句法：

    public void and(Bitset bs);

Parameter(s):

参数：

• BitSet bs – represents a bit set (like an integer number).

  BitSet bs –表示一个位集(如整数)。

Return value:

返回值：

The return type of this method is void, it returns nothing.

此方法的返回类型为void ，不返回任何内容。

Example:

例：

// Java program to demonstrate the example 
// of void and() method of BitSet.
import java.util.*;
public class AndOfBitSet {
public static void main(String[] args) {
// create an object of two BitSet
BitSet bs1 = new BitSet(10);
BitSet bs2 = new BitSet(10);
// By using set() method is to set
// the values in BitSet 1 
bs1.set(10);
bs1.set(20);
bs1.set(30);
bs1.set(40);
bs1.set(50);
// By using set() method is to set
// the values in BitSet 2 
bs2.set(60);
bs2.set(70);
bs2.set(50);
bs2.set(40);
bs2.set(30);
// Display Bitset1 and BitSet2
System.out.println("bs1 :" + bs1);
System.out.println("bs2:" + bs2);
// By using and() method is to perform
// logical AND between two BitSet(i.e. It returns
// Common values)
bs1.and(bs2);
// Display BitSet 1
System.out.println("bs1.and(bs2) : " + bs1);
}
}

Output

输出量

bs1 :{10, 20, 30, 40, 50}
bs2:{30, 40, 50, 60, 70}
bs1.and(bs2) : {30, 40, 50}

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

java bitset