Vidhya Varshany added Data Analytics project folder and few java codes in JAVA folder

JAVA/AgeDay.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package ageday;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.time.LocalDate;
+import java.time.Period;
+import java.util.Scanner;
+/**
+ *
+ * @author JSVS
+ */
+public class AgeDay {
+
+    public static void getAge(String input){
+    LocalDate dob = LocalDate.parse(input);
+    LocalDate curDate = LocalDate.now();
+    Period period  =    Period.between(dob, curDate);
+    System.out.print(period.getYears()+" years "+period.getMonths()+" and "+period.getDays()+" days\n");
+
+    }
+
+    public static void calculateBornDay(String s1) throws ParseException {
+    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+    SimpleDateFormat sdf1 = new SimpleDateFormat("EEEEE");
+    Date d = sdf.parse(s1);
+    String s = sdf1.format(d);
+    System.out.println("The Born Day is on "+s.toUpperCase());
+  }
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) throws ParseException {
+        // TODO code application logic here
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Enter your name: ");
+        String name = scanner.nextLine();
+        System.out.print("Please enter date of birth in YYYY-MM-DD: ");
+        String input = scanner.nextLine();
+        scanner.close();
+        System.out.print("Hello ,"+name+".Your current Age is : ");
+        getAge(input);
+        calculateBornDay(input);
+    }
+
+}
+

JAVA/ConstructorOddEven.java

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+
+package constructoroddeven;
+import java.util.Scanner;
+
+public class ConstructorOddEven {
+    int number ;
+
+    Scanner in = new Scanner(System.in);
+    public ConstructorOddEven(){
+        System.out.println("Enter any non-negative number ");
+        number = in.nextInt();
+        if(number<0){
+            System.out.println("Negative numbers cannot be evaluated\nPlease,Try again!!");
+            System.exit(0);
+        }
+
+
+  }
+    public void checkData(){
+        if(number%2==0){
+            System.out.println("The Given Number "+number+" is Even");
+        }else{
+              System.out.println("The Given Number "+number+" is Odd"); 
+        }
+    }
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        //Creating an object
+        String ch ;
+        Scanner in = new Scanner(System.in);
+        do{
+        ConstructorOddEven myobj =  new ConstructorOddEven();
+        myobj.checkData();
+        System.out.println("Do you want to continue[y/n]: ");
+        ch = in.nextLine();
+
+        }while(ch.equalsIgnoreCase("Y"));
+
+}
+}

JAVA/LotteryDrawing.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package lotterydrawing;
+import java.util.Scanner;
+/**
+ *
+ * @author JSVS
+ */
+public class LotteryDrawing {
+    int k ,n;
+    public void getInputs(){
+        Scanner in = new Scanner(System.in);
+        System.out.println("How many Numbers do you need to draw?");
+        k = in.nextInt();
+        System.out.println("What is the highest number you need to draw? ");
+        n = in.nextInt();
+        int []numbers = new int[n];
+        int []result = new int[k];
+        // creating object to access the classes
+        inputData(numbers,result);
+    }
+    public  void inputData(int[]numbers,int[]result){
+        for(int i = 0 ;i<numbers.length;i++){
+            numbers[i]=i+1;
+        }
+        for(int i = 0 ;i<result.length;i++){
+            int r = (int)(Math.random() * n);
+
+            result[i] = numbers[r];
+            numbers[r] = numbers[n-1];
+            n--;
+        }
+       sortArray(result);
+       System.out.println("Bet the following combinations .It'll wil make you rich!");
+       for(int x : result){
+           System.out.print(x+" ");
+       }
+
+    }
+    public static int[]sortArray(int [] arr){
+        for(int i = 0 ;i<arr.length;i++){
+            for(int j=i+1;j<arr.length;j++){
+               if(arr[i]>arr[j]){
+                   int temp = arr[i];
+                   arr[i]=arr[j];
+                   arr[j]= temp;
+               }
+            }
+        }
+        return arr;
+    }
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        //Creating objec for the class LotteryDrawing
+        LotteryDrawing myobj = new LotteryDrawing();
+        myobj.getInputs();
+
+    }
+
+}

JAVA/Pairs.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package pairs;
+import java.util.*;
+/**
+ *
+ * @author JSVS
+ */
+public class Pairs {
+        public void diff(int[]arr,int n)
+    { int di=0;int dif=0;
+        int diff = Integer.MAX_VALUE;
+         for (int i=0; i<n-1; i++)
+            for (int j=i+1; j<n; j++)
+                if ((arr[i] - arr[j])< diff){
+                    diff = Math.abs((arr[i] - arr[j]));
+                    di=arr[j];
+                    dif = arr[i];
+                }
+         System.out.println("The minimum difference pairs are: "+di+ " "+dif);
+    }
+    public void diff(int[]A)
+    { int n;int di=0; int dif=0;
+       n=A.length;
+       int diff = Integer.MIN_VALUE;
+       for (int i = 0; i < n - 1; i++)
+        {
+            for (int j = i + 1; j < n; j++) {
+                if ((A[i]-A[j]>diff)) {
+                     diff = A[i]-A[j];
+                  di=A[i];
+                  dif=A[j];
+                }
+            }
+        }
+
+  System.out.println("The maximum difference pairs are: "+di+ " "+dif);
+    }
+
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+              int a[],j;
+         System.out.println("Enter the size of the array : ");
+         Scanner in=new Scanner(System.in);
+         j=in.nextInt();
+         a = new int[j];
+         System.out.println("Enter the values :");
+         for(int i=0;i<j;i++)
+         {
+             int k;
+             k=in.nextInt();
+             a[i]=k;
+         }
+         Pairs ob=new Pairs();
+         ob.diff(a,j);
+        ob.diff(a);
+     }
+
+        // TODO code application logic here
+    }
+
+

JAVA/Registeration.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package registeration;
+
+/**
+ *
+ * @author JSVS
+ */
+public class Registeration {
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        // TODO code application logic here
+    }
+
+}
+