JavaBasics.java

import java.util.*;

public class JavaBasics {

    public static void main(String[] args) {
        System.out.print("1,2,3,6,5,");
        System.out.print("1,2,3,6,5,");
        System.out.print("1,2,3,6,5,");
//     }
// }
// //boilerpalte code
// public class JavaBasics{
//     public static void main(String[] args){
        System.out.println("*****");
        System.out.println("****");
        System.out.println("***");
        System.out.println("**");
        System.out.println("*");
//     }
// }
// //VARIABLES
// public class JavaBasics{
//     public static void main(String args[]){
        int a = 10;
        int b = 20;
        System.out.println(a);
        System.out.println(b);
        String name = "Tony stark";
        System.out.println(name);
        a = b;
        System.out.print(a);
//     } 
// }
// import java.util.*;
//  public class JavaBasics{
//     public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        //String input = sc.next();
        String input = sc.nextLine();
        System.out.print(input);
//     }
//  } 
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
        // Scanner sc = new Scanner(System.in);
        int ab = sc.nextInt();
        System.out.println(ab);
//     }
// } /
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
//         Scanner sc = new Scanner(System.in);
        int abc = sc.nextInt();
        System.out.print("The value of a is: " + abc);
//     }
// }
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args []){
//         Scanner sc = new Scanner(System.in);
        float f = sc.nextFloat();
        System.out.println(f);
//     }
// } 
// //SUM OF TWO NOS
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args []){
//         Scanner sc = new Scanner(System.in);
        int az = sc.nextInt();
        int bz = sc.nextInt();
        int sum = az + bz;
        System.out.println(sum);
//     }
// }
// //   PRODUCT of 2 nos
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
//         Scanner sc = new Scanner(System.in);
        int ay = sc.nextInt();
        int by = sc.nextInt();
        int product = ay * by;
        System.out.println(product);
//     }
// }
// // ARES OF CIRCLE 
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args []){
//         Scanner sc = new Scanner(System.in);
        float r = sc.nextFloat();
        float ar = 3.14f * r * r;
        System.out.println(ar);
//     }
// }

// public class JavaBasics {
        // public static void main(String args[]){
//     }
// }
// /* TYPE CONVERSION ANd TYPE CATSING */
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args []){
        int ax = 45;
        float bx = 25.96f;
        float c = ax;
        int d = (int) bx;
        char ch = 'a';
        char ch2 = 'b';
        int number = ch;
        int number2 = ch2;
        System.out.println(ch);
        System.out.println(ch2);
        System.out.println(number);
        System.out.println(number2);
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);
        System.out.println(d);
//     }
// }
// public class JavaBasics{
//     public static void main(String args []){
        int $ = 24;
        System.out.println($);
//     }
// } 
// /* Question 1 : In a program, input 3 numbers:A,BandC.
// You have to output the average of these 3 numbers. 
// (Hint : Average of N numbers is sum of those numbers divided by N) */
// import java.util.*;
// public class JavaBacics{
//     public static void main(String args []){
//         Scanner sc = new Scanner(System.in);
        System.out.print("Enter 1st no: ");
        int ai = sc.nextInt();
        System.out.print("Enter 2nd no: ");
        int bi = sc.nextInt();
        System.out.print("Enter 3rd no: ");
        int ci = sc.nextInt();
        float av = (ai + bi + ci) / 3;
        System.out.println(av);
//     }   
// }
// /* Question 2 : In a program, input the side of a square. 
// You have to output the area of the square.
// (Hint : area of a square is (side x side)) */
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
//         Scanner sc = new Scanner(System.in);
        System.out.print("Enter sides of Square: ");
        float s = sc.nextFloat();
        float Area = s * s;
        System.out.println(Area);
//     }
// }
// /* Question 3 : Enter cost of 3 items from the user (using float data type)
// -a pencil, a pen and an eraser. You have to output the total cost of the items 
// back to the user as their bill.(Add on : You can also try adding 18% gst tax to 
// the items in the bill as an advanced problem */
// import java.util.*;
// public class JavaBasics{
//     public static void main (String args []){
//         Scanner sc = new Scanner(System.in);
        System.out.print("Enter the cost of pencil: ");
        float ps = sc.nextFloat();
        System.out.print("Enter the cost of pen: ");
        float pn = sc.nextFloat();
        System.out.print("Enter the cost of Eraser: ");
        float es = sc.nextFloat();
        float S_Total = ps + pn + es;
        float t = S_Total * 0.18f;
        float bill = S_Total + t;
        System.out.println("Cost of product = " + S_Total);
        System.out.println("GST = " + t);
        System.out.println("Total bill with GST = " + bill);
        sc.close();
//     }
// }*/
// /* CONDITIONAL STATEMENTS */
// public class JavaBasics {
//     public static void main(String args []){
        int age = 22;
        if (age >= 18) {
            System.out.print("adult : Drive, Vote");
        } else {
            System.out.print("Not Adult");
        }
//     }
// }
// // ODD OR EVEN 
// import java.util.*;
// public class JavaBacics{
//     public static void main(String srgs[]){
        System.out.print("Enter a number: ");
        // Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        if (n % 2 == 0) {
            System.out.println("The no is even");
        } else {
            System.out.println("The no is odd");
        }
//     }
// }
// /* Elseif */
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
        System.out.print("ENter the age : ");
//         Scanner sc = new Scanner(System.in);
        float age1 = sc.nextFloat();
        if (age1 >= 18 && age1 <= 65) {
            System.out.print("The person is Adult");
        } else if (age1 > 65) {
            System.out.println("The person is Senior Citizen");
        } else {
            System.out.println("You are child");
        }
//     }
// }
// /*INCOME TAX CALCULATOR */
// import java.util.*;
// public class JavaBacics{
//     public static void main(String args[]){
            System.out.print("Enter the income : ");
//         Scanner sc = new Scanner(System.in);
            float income = sc.nextFloat();
            float tax;
            if (income < 500000) {
                System.out.println("No Tax Applied");
            } else if (income >= 500000 && income <= 1000000) {
                tax = income * 0.2f;
                System.out.println("Tax applied 20% of net income: " + tax);
            } else {
                tax = income * 0.3f;
                System.out.println("Tax Applied is 30% of net income: " + tax);
            }
//     }
// }
// /* TERNARAY OPERATOR */
// public class JavaBacics{
//     public static void main(String args[]){
            int no = 45;
            //Ternary Operator
            String result = (no % 2 == 0) ? "Even" : "Odd";
            System.out.print(result);
//     }
// } 
// public class JavaBacics{
//     public static void main(String args[]){
            int subMarks = 45;
            //tertiary oprator
            String result1 = (subMarks >= 33) ? "Pass" : "Fail";
            System.out.println(result1);
//     }
// }
// /* SWITCH CASE */
// public class JavaBacics{
//     public static void main(String args[]){
            int nb = 8;
            switch (nb) {
                case 1:
                    System.out.print("Samosa");
                    break;
                case 2:
                    System.out.println("Momos");
                    break;
                case 3:
                    System.out.println("Chocolate shake");
                    break;
                default:
                    System.out.println("Kuch nhi milne wala");
            }
//     }
// }
// /* CALCULATOR */
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
//         System.out.println("What you wanna do?\n +,-,*,/,%: ");
//         Scanner sc = new Scanner(System.in);
            char choice = sc.next().charAt(0);
            int al = 4567;
            int bl = 8567;
            switch (choice) {
                case '+':
                    System.out.println(al + bl);
                    break;
                case '-':
                    System.out.println(al - bl);
                    break;
                case '*':
                    System.out.println(al * bl);
                    break;
                case '/':
                    System.out.println(bl / al);
                    break;
                case '%':
                    System.out.println(bl % al);
                    break;
                default:
                    System.out.println("Give a correct choice");
            }
//     }
// }
// /* CONDITIONAL STAEMENT QUESTIONS */
// /*Question1:
// Write a Java program to get a number from the user 
// and print whether it is positive or negative */
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
            System.out.print("Enter a number : ");
            // Scanner sc = new Scanner(System.in);
            int num = sc.nextInt();
            if (num < 0) {
                System.out.println("The no is Negative.");
            } else {
                System.out.println("The no is Positive.");
            }
//     }
// }
// /* Question2:
// Finish the following code so that it prints You have a fever if your temperature 
// is above 100 and otherwise prints You don't have a fever. */
// public class JavaBasics{
            // public static void main(String args[]){
            double temp = 103.5;
            if (temp > 100) {
                System.out.print("You have a fever.");
            } else {
                System.out.println("You don't have a fever.");
            }
//     }
// }
// /* Question3:
// Write a Java program to input week number(1-7) and print day of week name using 
// switch case. */
// import java.util.*;
// public class JavaBasics{
//     public static void main(String args[]){
            System.out.print("Enter day no of a week : ");
            // Scanner sc = new Scanner(System.in);
            int day = sc.nextInt();
            switch (day) {
                case 1:
                    System.out.println("Monday");
                    break;
                case 2:
                    System.out.println("Tuesday");
                    break;
                case 3:
                    System.out.println("Wednesday");
                    break;
                case 4:
                    System.out.println("Thursday");
                    break;
                case 5:
                    System.out.println("Friday");
                    break;
                case 6:
                    System.out.println("Saturday");
                    break;
                case 7:
                    System.out.println("Sunday");
                    break;
                default:
                    System.out.println("Enter an interger between 1-7");
            }
//     }
// }
// public class JavaBasics{
//     public static void main(String args[]) {
            int ag = 63, bg = 36;
            boolean x = (ag < bg) ? true : false;
            int y = (ag > bg) ? ag : bg;
            System.out.println("x = " + x);
            System.out.println("y : " + y);
//     }
// }
// /*Question5: WRONG SOL
// Write a Java program that takes a year from the user and print whether that year
//  is a leap year or not. 
// WRONG SOL*/
// import java.util.*;
//     public class JavaBasics{
//         public static void main(String args[]){
            System.out.print("Enter a year : ");
//             Scanner sc = new Scanner(System.in);
            int year = sc.nextInt();
            if (year % 4 == 0) {
                System.out.println("This is a leap year");
            } else if (year % 100 == 0) {
                System.out.println("This is a leap year");
            } // // WRONG SOL            
            else if (year % 400 == 0) {
                System.out.println("This is a leap year");
            } else {
                System.out.println("This is NOT a leap year");
            }
//         }
//     }
//     /* LOOPS */
// public class JavaBasics{
//     public static void main(String args[]){
            int counter = 0;
            while (counter < 3) {
                System.out.println("Navnitya is a Software Developer");
                counter++;
            }
        
    }
}