BigInteger類hashCode()方法 (BigInteger Class hashCode() method)

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

  hashCode()方法在java.math包中可用。

• hashCode() method is used to return the hash code value of this BigInteger.

  hashCode()方法用于返回此BigInteger的哈希碼值。

• hashCode() 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.

  hashCode()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。

• hashCode() method does not throw an exception at the time of returning hash code.

  hashCode()方法在返回哈希碼時不會引發異常。

Syntax:

句法：

public int hashCode();

Parameter(s):

參數：

• None

  沒有

Return value:

返回值：

The return type of this method is int, it retrieves this BigInteger hash code value.

此方法的返回類型為int ，它檢索此BigInteger哈希碼值。

Example:

例：

// Java program to demonstrate the example // of int hashCode() method of BigIntegerimport java.math.*;public class HashCodeOfBI {public static void main(String args[]) {// Initialize two variables str1 and str2String str1 = "101245";String str2 = "50145779658";// Initialize two BigInteger object BigInteger b_int1 = new BigInteger(str1);BigInteger b_int2 = new BigInteger(str2);// Display b_int1 and b_int2System.out.println("b_int1: " + b_int1);System.out.println("b_int2: " + b_int2);System.out.println();// returns the hash code value of this// BigInteger b_int1int hash_code = b_int1.hashCode();System.out.println("b_int1.hashCode(): " + hash_code);// returns the hash code value of this// BigInteger b_int2hash_code = b_int2.hashCode();System.out.println("b_int2.hashCode(): " + hash_code);} }

Output

輸出量

b_int1: 101245 b_int2: 50145779658b_int1.hashCode(): 101245 b_int2.hashCode(): -1393827553

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

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