how to use biginteger in java code example

Example 1: java int to biginteger

// Primitive int
int myInt = 10
BigInteger bigInt = BigInteger.valueOf(myInt);
// Integer object
Integer integer = Integer.valueOf(myInt);
BigInteger bigInt = BigInteger.valueOf(myInteger.intValue());
bigInt = BigInteger.valueOf(myInteger);		// works too

Example 2: java import biginteger

import java.math.BigInteger;

Example 3: big integer java

import java.math.BigInteger;
BigInteger f = new BigInteger("1");