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 BigInteger
import java.math.*;
public class XOROfBI {
public static void main(String args[]) {
// Initialize two variables str1 and str2
String 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