Java.math.BigInteger.toString() Method

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Description

The java.math.BigInteger.toString() returns the decimal String representation of this BigInteger. The digit-to-character mapping provided by Character.forDigit is used, and a minus sign is prepended if appropriate.

This representation is compatible with the (String) constructor, and allows for String concatenation with Java's + operator.

Declaration

Following is the declaration for java.math.BigInteger.toString() method

public String toString()

Overrides

toString in class Object

Parameters

  • NA

Return Value

This method returns the decimal String representation of this BigInteger.

Exception

  • NA

Example

The following example shows the usage of math.BigInteger.toString() method

package com.tutorialspoint;

import java.math.*;

public class BigIntegerDemo {

public static void main(String[] args) {

	// create 2 BigInteger objects
	BigInteger bi1, bi2;

	// create 2 String objects
	String s1, s2;

	bi1 = new BigInteger("1234");
	bi2 = new BigInteger("-1234");

	// assign String value of bi1, bi2 to s1, s2
	s1 = bi1.toString();
	s2 = bi2.toString();

	String str1 = "String value of " + bi1 + " is " +s1;
	String str2 = "String value of " + bi2 + " is " +s2;

	// print s1, s2 values
	System.out.println( str1 );
	System.out.println( str2 );
   }
}

Let us compile and run the above program, this will produce the following result:

String value of 1234 is 1234
String value of -1234 is -1234



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