BigInteger valueOf() Method in Java

The java.math.BigInteger.valueOf(long value) method returns a BigInteger whose value is equal to value of long passed as parameter. This method is static method so It is not necessary to create object of BigInteger class to use this method.we can call this function by BigInteger.valueOf(long value) code.

Syntax:

public static BigInteger valueOf(long val)

Parameter: This method accepts a single parameter value which is the value of the BigInteger to be created.



Return Value: This method returns the BigInteger whose value is equal to value of long passed as parameter.

Below programs illustrate valueOf(long value ) method of BigInteger class:

Example 1: To apply valueOf() without creating BigInteger Object.

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// Java program to demonstrate valueOf() method of BigInteger
  
import java.math.BigInteger;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Creating 2 BigInteger objects
        BigInteger b1, b2;
  
        // apply valueOf()
        b1 = BigInteger.valueOf(456782765);
        b2 = BigInteger.valueOf(12345543);
  
        // print result
        System.out.println("Value of BigInteger b1: " + b1);
        System.out.println("Value of BigInteger b2: " + b2);
    }
}

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Output:

Value of BigInteger b1: 456782765
Value of BigInteger b2: 12345543

Example 2: Apply valueOf() by creating BigInteger object.

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// Java program to demonstrate valueOf() method of BigInteger
  
import java.math.BigInteger;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Creating BigInteger objects
        BigInteger b1, b2, b3;
  
        // create bigInteger with some value
        b1 = new BigInteger("532721");
  
        // apply valueOf()
        b2 = b1.valueOf(234567898);
        b3 = b2.valueOf(98765432);
  
        // print result
        System.out.println("Value of BigInteger 1: " + b2);
        System.out.println("Value of BigInteger 2: " + b3);
    }
}

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Output:

Value of BigInteger 1: 234567898
Value of BigInteger 2: 98765432

Reference: https://docs.oracle.com/javase/7/docs/api/java/math/BigInteger.html#valueOf(long)



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