#java example

How to – Do String Anagrams Java Algorithms

Description:

How to – Do String Anagrams Java Algorithms

import java.io.IOException; public class AnagramApp { static int size; static int count; static char[] charArray; public static void main(String[] args) throws IOException { String input = "java2s.com"; size = input.length(); count = 0; charArray = new char[size]; for (int j = 0; j < size; j++) charArray[j] =…

How to – Java String Example Java Algorithms

Description:

How to – Check if a word is a palindrome Java Algorithms

public class Main { public static void main(String[] args) { String n = "level"; boolean right = true; int f = n.length() - 1; for (int i = 0; i < n.length(); i++) { if (n.charAt(i) != n.charAt(f - i)) { right = false; } } System.out.println("The word is " + right); } }

How to – Toss Coin Java Algorithms

Description:

How to – Toss Coin Java Algorithms

import java.util.Random; class Coin { public String toss() { Random myRand = new Random(); int face = myRand.nextInt(2); if (face == 0) { return "heads"; } else { return "tails"; } } } public class Main { public static void main(String[] args) { Coin coin = new Coin(); int headsCount = 0; int tailsCount = 0; for (int i = 1; i

How to – Random Roll Dice Java Algorithms

Description:

How to – Random Roll Dice Java Algorithms

import java.util.Random; public class Main { public static void main(String[] args) { System.out.println("Total is: " + Dice.rollDice(3, 6)); } } class Dice { public static int rollDice(int number, int nSides) { int num = 0; int roll = 0; Random r = new Random(); if (nSides >= 3) { for (int i = 0; i < number; i++) { roll =…

How to – Make a rock paper scissor game Java Algorithms

Description:

How to – Make a rock paper scissor game Java Algorithms

import java.util.Random; enum Gesture { rock(1), paper(2), scissors(3); private int type; Gesture(int type) { this.type = type; } public int getType() { return type; } } public class Main { public static void main(String[] args) { String choice = "S"; if (choice.equals("S")) { generateDraw(Gesture.scissors); } else if…

How to – Get random boolean Java Algorithms

Description:

How to – Get random boolean Java Algorithms

import java.util.Random; public class Main { public static final void main(String... args) { Random randomGenerator = new Random(); for (int idx = 1; idx <= 10; ++idx) { boolean randomBool = randomGenerator.nextBoolean(); System.out.println("Generated : " + randomBool); } } }

How to – Generate very large random numbers Java Algorithms

Description:

How to – Generate very large random numbers Java Algorithms

import java.math.BigInteger; import java.util.Random; public class Main { public static void main(String... a) { int n = 16; Random r = new Random(); byte[] b = new byte[n]; r.nextBytes(b); BigInteger i = new BigInteger(b); System.out.println(i); } }