BigInteger類和()方法 (BigInteger Class and() method)

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

  and()方法在java.math包中可用。

• and() method is used to perform and operation between this BigInteger and the given BigInteger (val) [i.e. (this BigInteger) & (BigInteger val)].

  and()方法用于在此BigInteger和給定的BigInteger(val)[即(此BigInteger)＆(BigInteger val)]之間執行和操作。

• and() 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.

  and()方法是一個非靜態方法，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。

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

  and()方法在執行和操作時不會引發異常。

Syntax:

句法：

public BigInteger and(BigInteger val);

Parameter(s):

參數：

• BigInteger val – represents the object is to perform and operation with this BigInteger.

  BigInteger val –表示要使用此BigInteger執行和操作的對象。

Return value:

返回值：

The return type of this method is BigInteger, it returns BigInteger and its value is calculated by using [(this BigInteger) and (BigInteger val)].

此方法的返回類型為BigInteger ，它返回BigInteger，其值是使用[(this BigInteger)和(BigInteger val)]來計算的。

Example:

例：

// Java program to demonstrate the example // of BigInteger and() method of BigIntegerimport java.math.*;public class AndOfBI {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);// perform logical and (&) 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 bits// value are 1 otherwise it sets 0 so the result is// (1010 & 0100 = 0000)BigInteger and_val = b_int1.and(b_int2);System.out.println("b_int1.and(b_int2): " + and_val);} }

Output

輸出量

b_int1: 10 b_int2: 4 b_int1.and(b_int2): 0

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

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