java biginteger example

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Nine degrees OJ topic 1076:n's factorial (Java) uses the BigInteger example.

Title Description: Enter a positive integer n to output the factorial of N. Input: Positive integer N (0 Output: Input may include multiple sets of data, for each set of input data, the factorial of the output n Sample input: 4515 Sample output: 241201307674368000 1 PackageA;2 ImportJava.math.BigInteger;3 ImportJava.u

Java basic Knowledge Strengthening the use of BigInteger subtraction method of 88:biginteger class

1. Use of the BigInteger subtraction method1 Public BigInteger Add (BigInteger val): Add 2 Public BigInteger Subtract (BigInteger val): Minus 3 Public BigInteger Multiply (BigInteger

BigInteger in Java

For documents on the copied API, BigInteger has no problem in dealing with general high precision. Java. math BigInteger java.lang.Object java.lang.Number java.math.BigInteger All Implemented interfaces: Serializable, Comparable public class BigInteger Extends Number I

Application of the biginteger and bigdecimal classes in Java

The two classes of Java, biginteger and bigdecimal, represent the big integer class and the big floating point class respectively. Theoretically, they can represent an infinite number. Biginteger: Package COM. xujin; import Java. util. *; import Java. math. *; public class

JAVA Big Data Processing (BigInteger, BigDecimal)

It is very troublesome to process large numbers in C or C ++, but there are two classes in JAVA: BigInteger and BigDecimal, which respectively represent the big integer class and the big floating point class, objects of the two classes can indicate the maximum range is unclear. Theoretically, they can represent a large number of wireless devices, as long as the computer memory is large enough. Both classes

Big numbers BigInteger and BigDecimal in JAVA

BigInteger and BigDecimal are existing classes in the java. math package. The former represents an integer, and the latter represents a floating point. Why use big numbers? 1) BigInteger: an integer of any precision is supported. It can accurately represent an integer of any size without any information loss During computation. 2)

Implementation of rational number class Java BigInteger

);}Public rational divide (rational secondrational) {BigInteger n = numerator.multiply (Secondrational.getdenominator ());BigInteger d = denominator.multiply (Secondrational.getnumerator ());return new Rational (n, D);}@Overridepublic boolean equals (Object obj) {TODO auto-generated Method Stubif (This.getnumerator (). CompareTo ((Rational) obj). Getnumerator ()) = = 0) {return true;}else {return false;}}@O

Java BigInteger class Knowledge points Summary

parameterPublic BigInteger remainder (BigInteger val) returns the remainder of the current large integer object and the large integer object specified by the parameter.public int CompareTo (BigInteger val) Returns the result of the comparison of the current large integer object with the large integer object specified by the parameter, which is 1,-1, 0, respectiv

Common objects in Java--biginteger

(string[] args) {BigInteger bi1 = new BigInteger ("100");BigInteger Bi2 = new BigInteger ("50");Public BigInteger Add (BigInteger val): plusSystem.out.println ("Add:" + bi1.add (BI2));Public

Java large number processing class: BigInteger class and BigDecimal class

When we are dealing with very large data, the usual data types are not enough to indicate that in Java there are two classes BigInteger and BigDecimal representing the large integer class and the large floating-point number class, the two classes in theory as long as the computer memory is large enough Can represent a large number of wireless. They are all in the java.math.* package and can be viewed in the

Java does not use BigInteger to implement Big Data multiplication. javabiginteger

= new int [MAX_LENGTH];B = new int [MAX_LENGTH];A [0] = 1;B [0] = 1; Double begin = System. currentTimeMillis ();For (int I = 0; I {AddToA ();AddToB ();}Display (B );Double end = System. currentTimeMillis ();System. out. println ("Time:" + (end- begin)/1000 );} Public static void addToA (){Int carryNum = 0;For (int I = 0; I {CarryNum = (a [I] + B [I])/LEN;A [I] = (a [I] + B [I]) % LEN;A [I + 1] + = carryNum; }If (carryNum = 1){Carry ++;}} Public static void addToB (){Int carryNum = 0;For (int I

BigInteger, which is prone to mistakes in java programming

In java, there are many things that are easy to ignore. Today, I saw a java puzzle on the Internet. The Code is as follows:[Java]BigInteger five = new BigInteger ("5 ");BigInteger four = new B

Basic functions of Java large number class BigInteger and BigDecimal

In Java there are two classes BigInteger and bigdecimal that represent immutable arbitrary-precision integers and immutable signed arbitrary-precision decimal numbers (floating-point numbers). It is mainly used in high precision calculation. These two classes make large numbers in Java, high-precision operations become very simple, as for the two classes of objec

Biginteger, which is prone to mistakes in Java programming

In Java, there are many things that are easy to ignore. Today, I saw a Java puzzle on the Internet. The Code is as follows: BigInteger five = new BigInteger("5");BigInteger four = new BigInteger("4");

ZOJ 3447 Doraemon & amp; #39; s Number Game (Java priority queue & amp; #183; BigInteger)

ZOJ 3447 Doraemon #39; s Number Game (Java priority queue #183; BigInteger) You can delete the number of 2 to k and add the product of the deleted number to the original array until only one number is left to calculate the maximum and minimum values. difference The smaller the number of values selected, the less the number of values selected. The larger the result is, the larger the result is. Because thi

"Java" Since the BigInteger, I don't have to worry about how much data to deal with.

data, I can still easily solve it in Java, after all, Java has already encapsulated the processing of big data in BigInteger.The following is the basic use of BigInteger, that is, the construction method and the four mixed operation:public static void Bigintegertest () {BigInteger num1 = new

Java basic syntax < five > large value BigInteger BigDecimal

and, difference, product, quotient, and remainder int compareTo (BigInteger Other) =other returns 0 Java.math. BigDecimal 1.1BigDecimal Add (BigDecimal Other) BigDecimal subtract (BigDecimal other) BigDecimal multiply (BigDecimal other) BigDecimal Divide (BigDecimal other Roundingmode mode) 5.0 returns this large real number and another large real number other's and, the difference, the product, the quotient to calculate the quotient, must give the

BigInteger and BigDecimal Classes in Java are powerful

The BigInteger class is Java in order to handle large number two specialized classes, can handle very large numbers (theoretically infinitely large), and can achieve large numbers similar to int all mathematical operations. For the algorithm problem, no longer afraid of the operation beyond the scope of int!At the same time, the class dealing with large floating-point numbers is BigDecimal.BigInteger mainly

Big Data operations, Java (BigInteger)

Big Data OperationsBigIntegerThe long type in Java is the largest integer type, and how to represent data that is longer than long. In the world of Java, integers longer than long can no longer be called integers, and they are encapsulated as BigInteger objects. In the BigInteger class, Implementing arithmetic is imple

Java Basic Series 9:biginteger class and BigDecimal class

a BigInteger classWhen we have to deal with a very large number, we must not be able to use int and long. Of course, we can use string to receive large numbers, and then split the way to calculate, but this way is cumbersome. Therefore, in order to solve this problem in Java, the BigInteger class is provided. The BigInteger

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