Java BigInteger

This section will describe you about how to work with the BigInteger in Java.

Java BigInteger

In this section we will learn about the BigInteger in Java. We will read here the various constructors of BigInteger, methods of BigInteger, and simple example of BigInteger.

BigInteger is a immutable class i.e. which object once created can't be change. BigInteger should be used where you need to deal with larger numbers. BigInteger can be used in Security to provide the keys specifications. You can perform all the operations that you perform on two primitive integer types in Java. In addition to BigInteger includes methods for the operations for modular arithmetic such as GCD calculation, primality testing, prime generation, etc. Arithmetic operations on BigInteger behaves exactly like the arithmetic operations on Java integers such as if you divide a biginteger number by zero then it throws the ArithmeticException, if a negative number is divide by a positive number then it gives the negative remainder or zero.

Class Declaration

public class BigInteger extends Number
implements Comparable

Constructors Of BigInteger

Methods Of BigInteger

Example

Here I am giving a simple example which will demonstrate you about how to use BigInteger in you application. In this example we will create a Java class where we will create the BigInteger objects then we will perform operations on these BigInteger's values.

BigIntegerExample.java

import java.math.BigInteger;
public class BigIntegerExample {

	public static void main(String[] args) 
	  {
	  BigInteger bigInteger1 = new BigInteger ("6");
	  BigInteger bigInteger2 = new BigInteger ("2");
	  BigInteger bigIntAdd = bigInteger1.add(bigInteger2);
	  BigInteger bigIntSub = bigInteger1.subtract(bigInteger2);
	  BigInteger bigIntMultiply = bigInteger1.multiply(bigInteger2);
	  BigInteger bigIntDivide = bigInteger1.divide(bigInteger2);
	  System.out.println("BigInteger Addition  ==> " + bigIntAdd);	
	  System.out.println("BigInteger Subtract  ==> " + bigIntSub);
	  System.out.println("BigInteger Multiply  ==> " + bigIntMultiply);
	  System.out.println("BigInteger Division  ==> " + bigIntDivide);
	  System.out.println("BigInteger Negate "+bigInteger1+"   ==> " +bigInteger1.negate());
	  }
}

Output :

When you will compile and execute the above example you will get the output as follows :

Download Source Code