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Rustam-ZRustam-Z
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BMI interpreter
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‎week-03/.idea/.gitignore

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‎week-03/.idea/misc.xml

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‎week-03/.idea/modules.xml

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‎week-03/.idea/vcs.xml

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‎week-03/out/production/week-03/App.class

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‎week-03/out/production/week-03/App2.class

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‎week-03/src/App.class

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‎week-03/src/App.java

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/* Student: Rustam Zokirov
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ID: U1910049
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Lab: #2 BMI Calculator
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*/
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import java.util.Scanner; // Import the Scanner class
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public class App { // Create a Class App
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public static void main(String[] args){
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Scanner input = new Scanner(System.in); // Create a scanner object
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int choice;
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boolean isCalculate = true;
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float height = 0, weight = 0, BMI;
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int choice2;
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while(isCalculate) {
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System.out.println("*** Welcome to BMI Calculator! ***");
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System.out.println("Please enter only numbers!\n" + "1. Kilograms and meters\n" + "2. Pounds and inches\n" + "0. Exit\n" + "Choose option: ");
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choice = input.nextInt();
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switch (choice) {
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case 0: {
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isCalculate = false;
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}break;
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case 1: { // Kilograms and meters
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for (int i = 0; i == 0; ) { //taking data from user and check for validation
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System.out.println("Enter height (meters): ");
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height = input.nextFloat();
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System.out.println("Enter weight (kg): ");
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weight = input.nextFloat();
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if (height > 0 && weight > 0)
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i = 1;
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else
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System.out.println("Enter correct values!");
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}
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BMI = weight / (height * height);
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if (BMI < 18.5)
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System.out.printf("BMI: %.2f Underweight", BMI);
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else if (BMI >= 18.5 && BMI < 25)
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System.out.printf("BMI: %.2f Normal", BMI);
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else if (BMI >= 25 && BMI < 30)
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System.out.printf("BMI: %.2f Overweight", BMI);
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else if (BMI >= 30 && BMI < 35)
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System.out.printf("BMI: %.2f Obese", BMI);
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else
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System.out.printf("BMI: %.2f Extremely Obese", BMI);
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System.out.println("\nDo you want to calculate again? (1. YES / Any key. NO)");
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choice2 = input.nextInt();
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if (choice2 != 1)
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isCalculate = false;
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}break;
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case 2: { // Pounds and inches
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for (int i = 0; i == 0; ) { //taking data from user and check for validation
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System.out.println("Enter height (inches): ");
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height = input.nextFloat();
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System.out.println("Enter weight (pounds): ");
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weight = input.nextFloat();
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if (height > 0 && weight > 0)
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i = 1;
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else
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System.out.println("Enter correct values!");
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}
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BMI = 703 * weight / (height * height);
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if (BMI < 18.5)
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System.out.printf("BMI: %.2f Underweight", BMI);
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else if (BMI >= 18.5 && BMI < 25)
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System.out.printf("BMI: %.2f Normal", BMI);
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else if (BMI >= 25 && BMI <= 30)
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System.out.printf("BMI: %.2f Overweight", BMI);
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else if (BMI >= 30 && BMI <= 35)
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System.out.printf("BMI: %.2f Obese", BMI);
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else
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System.out.printf("BMI: %.2f Extremely Obese", BMI);
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System.out.println("\nDo you want to calculate again? (1. YES / 0. NO) ");
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choice2 = input.nextInt();
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if (choice2 != 1)
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isCalculate = false;
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}break;
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default: {
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System.out.println("Please enter correct values!");
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}break;
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} // switch
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} //while
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} // main()
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} // Class App

‎week-03/src/App2.class

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‎week-03/src/App2.java

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/* Student: Rustam Zokirov
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ID: U1910049
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Lab: #2 BMI Calculator
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*/
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import java.util.Scanner; // Import the Scanner class
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public class App2 { // Create a Class App
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public static void calculate(int choice){
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boolean isCalculate = true;
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float height = 0, weight = 0, BMI; // declaring some variables
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int choice2;
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while(isCalculate) {
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Scanner input = new Scanner(System.in); // Create a scanner object
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for (int i = 0; i == 0; ) { //taking data from user and check for validation
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System.out.println("Enter height: ");
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height = input.nextFloat(); // read height input
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System.out.println("Enter weight: ");
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weight = input.nextFloat(); // read weight input
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if (height > 0 && weight > 0) // validate for >0
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i = 1;
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else
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System.out.println("Enter correct values!");
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}
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if (choice == 1) { // for kg
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BMI = weight / (height * height);
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}
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else { // for pounds
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BMI = 703 * weight / (height * height);
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}
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if (BMI < 18.5)
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System.out.printf("BMI: %.2f Underweight", BMI);
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else if (BMI >= 18.5 && BMI < 25)
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System.out.printf("BMI: %.2f Normal", BMI);
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else if (BMI >= 25 && BMI < 30)
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System.out.printf("BMI: %.2f Overweight", BMI);
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else if (BMI >= 30 && BMI < 35)
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System.out.printf("BMI: %.2f Obese", BMI);
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else
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System.out.printf("BMI: %.2f Extremely Obese", BMI);
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System.out.println("\nDo you want to calculate again? (1. YES / Any key. NO) ");
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choice2 = input.nextInt(); // read the input
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if (choice2 != 1)
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isCalculate = false; // exit from the loop
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}
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}
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public static void main(String[] args){
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Scanner input = new Scanner(System.in); // Create a scanner object
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int choice;
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System.out.println("*** Welcome to BMI Calculator! ***");
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System.out.println("Please enter only numbers!\n" + "1. Kilograms and meters\n" + "2. Pounds and inches\n" + "0. Exit\n" + "Choose option: ");
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choice = input.nextInt();
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switch (choice) { // switch for the menu
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case 0: { // Pounds and inches
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System.exit(0); //
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}break;
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case 1: { // Kilograms and meters
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calculate(1);
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}break;
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case 2: { // Pounds and inches
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calculate(2);
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}break;
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default:{
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System.out.println("Invalid input!");
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}break;
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} // switch
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} // main()
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} // Class App

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