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Added RNG Program
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‎Basic-Java/RandomNumberGeneration.java‎

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import java.util.Scanner;
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public class RandomNumberGeneration {
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public static void main(String[] args) {
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System.out.println("Program to generate a Random Number\n---");
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int option = 0;
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Scanner sm = new Scanner(System.in);
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System.out.print("Enter 0 to generate any random number OR "
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+ "\nEnter 1 to generate a random number between a range: ");
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// DEFINED SEPARATELY FOR BETTER UNDERSTANDING
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option = sm.nextInt();
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if (option ==0) {
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generateRandom();
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}
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else if (option ==1) {
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generateRandomBetweenRange();
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}
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else {
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System.out.println("Invalid Option. Try Again");
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end();
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}
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sm.close();
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}
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private static void generateRandom() {
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int a = (int) ((Math.random()*((10000-0)+1))+0);
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System.out.println("OUTPUT: "+a);
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end();
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}
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private static void generateRandomBetweenRange() {
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Scanner ss = new Scanner(System.in);
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System.out.print("Enter lower limit: ");
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int lower = ss.nextInt();
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System.out.print("Enter upper limit: ");
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int upper = ss.nextInt();
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ss.close();
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if (upper<lower) {
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System.out.println("Upper cannot be lesser than lower"); //RECOMMENDED
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end();
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}
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if(upper<0 ||lower<0) {
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System.out.println("Limits cannot be lesser than zero"); //RECOMMENDED
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end();
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}
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int a = (int) ((Math.random()*((upper-lower)+1))+lower);
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System.out.println("OUTPUT: "+a);
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end();
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}
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private static void end() {
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System.out.println("---\nThe Program has ended.");
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System.exit(0);
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}
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}

‎README.md‎

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### List of Basic Programs:
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| S.No. | Title | Description | Method |
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| ----- | :----------------------------------------------------------- | ------------------------------------------------------------ | ------------------ |
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| 1 | [Hello World](/Basic-Java/HelloWorld.java) | A simple hello world program in java. | main method |
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| 2 | [Algebraic Operations](/Basic-Java/AlgebraicOperations.java) | Addition, Subtraction, Multiplication, Division Program. | if/else |
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| 3 | [Algebraic Operations](/Basic-Java/AlgrebraicOperationsSwitchCase.java) | Addition, Subtraction, Multiplication, Division Program. | switch/case |
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| 4 | [Even - Odd Number Checker](/Basic-Java/EvenOdd.java) | A Program to check if the entered number is Even or Odd. | Modulus |
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| 5 | [Positive Negative Number Checker](/Basic-Java/PositiveNegative.java) | A Program to check if the entered number is Positive or Negative. | if/else |
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| 6 | [Calculate Average of numbers](/Basic-Java/CalculateAverageWithArray.java) | A Program to calculate average of numbers using Array. | Array |
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| 7 | [Reversing a Number](/Basic-Java/ReverseNumber.java) | A Simple Program to reverse a number | String |
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| 8 | [Binary Validation](/Basic-Java/ValidateBinary.java) | A Program which checks if the Input String is a Binary Number or not | Modulus |
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| 9 | [Prime Number Checker](/Basic-Java/PrimeNumberChecker.java) | A Program to check if the entered number is a Prime Number or not. | if/else, for loops |
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| 10 | [ASCII Value Of Character](/Basic-Java/AsciiOfCharacter.java) | A Program to find ASCII Value of a Character entered. | TypeCasting |
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| S.No. | Title | Description | Method |
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| ----- | :----------------------------------------------------------- | ------------------------------------------------------------ | ---------------------- |
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| 1 | [Hello World](/Basic-Java/HelloWorld.java) | A simple hello world program in java. | main method |
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| 2 | [Algebraic Operations](/Basic-Java/AlgebraicOperations.java) | Addition, Subtraction, Multiplication, Division Program. | if/else |
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| 3 | [Algebraic Operations](/Basic-Java/AlgrebraicOperationsSwitchCase.java) | Addition, Subtraction, Multiplication, Division Program. | switch/case |
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| 4 | [Even - Odd Number Checker](/Basic-Java/EvenOdd.java) | A Program to check if the entered number is Even or Odd. | Modulus |
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| 5 | [Positive Negative Number Checker](/Basic-Java/PositiveNegative.java) | A Program to check if the entered number is Positive or Negative. | if/else |
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| 6 | [Calculate Average of numbers](/Basic-Java/CalculateAverageWithArray.java) | A Program to calculate average of numbers using Array. | Array |
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| 7 | [Reversing a Number](/Basic-Java/ReverseNumber.java) | A Simple Program to reverse a number. | String |
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| 8 | [Binary Validation](/Basic-Java/ValidateBinary.java) | A Program which checks if the Input String is a Binary Number or not. | Modulus |
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| 9 | [Prime Number Checker](/Basic-Java/PrimeNumberChecker.java) | A Program to check if the entered number is a Prime Number or not. | if/else, for loops |
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| 10 | [ASCII Value Of Character](/Basic-Java/AsciiOfCharacter.java) | A Program to find ASCII Value of a Character entered. | TypeCasting |
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| 11 | [Generate Random Number](/Basic-Java/RandomNumberGeneration.java) | A Program to generate Random Number, Also to generate Random Number between a Range. | Math.random() function |
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### List of Other Programs:
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| S.No. | Title | Description | Method |
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| ----- | ------------------------------------------------------------ | ------------------------------------------------------------ | -------------------------------------------- |
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| 1 | [Matrix Multiplication](/Other-Java-Programs/MatrixMultiplication.java) | A Program to perform Matrix Multiplication | 2-D Array |
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| 2 | [Matrix Addition](/Other-Java-Programs/MatrixAddition.java) | A Program to perform Matrix Addition | 2-D Array |
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| 1 | [Matrix Multiplication](/Other-Java-Programs/MatrixMultiplication.java) | A Program to perform Matrix Multiplication. | 2-D Array |
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| 2 | [Matrix Addition](/Other-Java-Programs/MatrixAddition.java) | A Program to perform Matrix Addition. | 2-D Array |
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| 3 | [Binary to Decimal Conversion](/Other-Java-Programs/BinaryToDecimal.java) | A Program to covert Input Binary Number to Decimal. | while loop |
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| 4 | [Anagram Checker](/Other-Java-Programs/Anagram.java) | A Program to check if the entered Strings are anagram or not. | if/else, for loops, Array, String Operations |
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| 5 | [Remove Word From String](/Other-Java-Programs/RemoveWordFromString.java) | A Program to remove specific word from String. | if/else, String Operations |
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| 6 | [Finding Missing Number](/Other-Java-Programs/FindingMissingNumberInArray.java) | Given an array C of size N-1 and given that there are numbers from 1 to N with one element missing, the missing number is to be found. | |
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| 6 | [Finding Missing Number](/Other-Java-Programs/FindingMissingNumberInArray.java) | Given an array C of size N-1 and given that there are numbers from 1 to N with one element missing, the missing number is to be found. | Array Operations |
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### List of Cryptography Algorithms:
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