BigInteger類的xor()方法 (BigInteger Class xor() method)

• xor() method is available in java.math package.

  xor()方法在java.math包中可用。

• xor() method is used to perform xor operation between this BigInteger and the given BigInteger and we all know when we perform xor so same bits represent 0 and different bits represents 1 and it returns negative BigInteger when any one of the value in [(this BigInteger) , (BigInteger val)] is negative.

  xor()方法用于在此BigInteger與給定的BigInteger之間執行xor運算，我們都知道執行xor時，相同的位表示0，不同的位表示1，并且當[[ BigInteger)，((BigInteger val)]為負。

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

  xor()方法是一種非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• xor() method does not throw an exception at the time of performing xor.

  xor()方法在執行xor時不會引發異常。

Syntax:

句法：

public BigInteger xor(BigInteger val);

Parameter(s):

參數：

• BigInteger val – represents the value to perform xor with this BigInteger.

  BigInteger val –表示要對此BigInteger執行xor的值。

Return value:

返回值：

The return type of this method is BigInteger, it returns BigInteger that holds the value [(this BigInteger) xor (BigInteger val)].

此方法的返回類型為BigInteger ，它返回保存值[(this BigInteger)xor(BigInteger val)]的BigInteger。

Example:

例：

// Java program to demonstrate the example // of BigInteger xor(BigInteger val) method of BigIntegerimport java.math.*;public class XOROfBI {public static void main(String args[]) {// Initialize two variables str1 and str2String str1 = "10";String str2 = "4";// Initialize two BigInteger objects BigInteger b_int1 = new BigInteger(str1);BigInteger b_int2 = new BigInteger(str2);System.out.println("b_int1: " + b_int1);System.out.println("b_int2: " + b_int2);// Here, this method xor(BigInteger) is used to// perform xor (^) operation between // this BigInteger b_int1 and the given BigInteger// b_int2 like 10 ^ 4 so the binary representation // of 10 is 1010 and for 4 is 0100 so when we perform// (^) operation between bits it sets 1 when both the bits// value are different otherwise it sets 0 so the result is// (1010 ^ 0100 = 1110)BigInteger xor_val = b_int1.xor(b_int2);System.out.println("b_int1.xor(b_int2): " + xor_val);} }

Output

輸出量

b_int1: 10 b_int2: 4 b_int1.xor(b_int2): 14

翻譯自: https://www.includehelp.com/java/biginteger-xor-method-with-example.aspx

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