java bitset

BitSet類的length()方法 (BitSet Class length() method)

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

  length()方法在java.util包中可用。

• length() method is used to return the length of this BitSet otherwise it returns 0 when this BitSet is "empty".

  length()方法用于返回此BitSet的長度，否則當此BitSet為“空”時將返回0。

  Length= (The indices of largest set bit+1)

• length() 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.

  length()方法是一種非靜態方法，因此可以通過類對象進行訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• length() method does not throw an exception at the time of returning the length of this BitSet.

  返回此BitSet的長度時， length()方法不會引發異常。

Syntax:

句法：

public int length();

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

Return value:

返回值：

The return type of this method is int, it returns the size of this BitSet in integer.

此方法的返回類型為int ，它以整數形式返回此BitSet的大小。

Example:

例：

// Java program to demonstrate the example // of int length() method of BitSet.import java.util.*;public class LengthOfBitSet {public static void main(String[] args) {// create an object of BitSetBitSet 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 BitsetSystem.out.println("bs: " + bs);// By using length() method is to return// the length of this BitSetint len = bs.length();// Display length of bsSystem.out.println("bs.length(): " + len);} }

Output

輸出量

bs: {10, 20, 30, 40, 50} bs.length(): 51

翻譯自: https://www.includehelp.com/java/bitset-length-method-with-example.aspx

java bitset

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