اکسپشن (exception) ها در جاوا و کاتلین

public static void main(String[] args){
    Scanner input = new Scanner(System.in);

    int[] randomNumbers = new int[6];
    for(int i=0; i<randomNumbers.length; i++)
        randomNumbers[i] = (int) (Math.random() * 100);

            System.out.print("Enter corresponding index: ")
            int index = input.nextInt();
            System.out.println("The value of corresponding index is: "+ randomNumbers[index]);

    }
}
                    

fun main() {
    val randomNumbers = Array<Int>(6){
        (0 until 100).random()
    }

    val input = Scanner(System.`in`)

    println("Enter corresponding index: ")
    val index = input.nextInt()

    println("The value of corresponding index is ${randomNumbers[index]}")
}
        

public static void main(String[] args){
    Scanner input = new Scanner(System.in);

    System.out.println("Enter two numbers ")

    int number0 = input.nextInt();
    int number1 = input.nextInt();
    int result = quotient(number0, number1);
    System.out.println("number0 / number1 = " + result);
}

public static int quotient(number0, number1){
    return number0 / number1;
}
        

fun main() {
    val input = Scanner(System.`in`)

    println("Enter two numbers ")

    val number0 = input.nextInt()
    val number1 = input.nextInt()
    val result = quotient(number0, number1)

    println("$number0 / $number1 = $result")
}

fun quotient(number0: Int, number1: Int): Int{
    return number0 / number1
}
        

public static void main(String[] args){
Scanner input = new Scanner(System.in);

    do{
        System.out.println("Enter two numbers ")
`       int number0 = input.nextInt();
        int number1 = input.nextInt();
        int result = quotient(number0, number1);
        System.out.println("number0 /number1 = " + result);
    }while(true);
}

public static int quotient(number0, number1){
    return number0 / number1;
}
        

fun main() {

    val input = Scanner(System.`in`)

    do{
        println("Enter two numbers ")

        val number0 = input.nextInt()
        val number1 = input.nextInt()
        val result = quotient(number0, number1)

        println("$number0 / $number1 = $result")

    }while(true)
}

fun quotient(number0: Int, number1: Int): Int{
    return number0 / number1
}
        

public static void main(String[] args){
    Scanner input = new Scanner(System.in);
    boolean continueLoop = true;

    do{
        int number0 = input.nextInt();
        int number1 = input.nextInt();
        int result = number0 / number1;
        System.out.println("number0 / number1 = " + result);

    }while(true);
}

public static int quotient(number0, number1){
    //شرط صفر نبودن مخرج
    if(number1 != 0) return number0 / number1;
    return Integer.MIN_VALUE;
}
        

fun main() {

    val input = Scanner(System.`in`)

    do{
        println("Enter two numbers ")

        val number0 = input.nextInt()
        val number1 = input.nextInt()
        val result = quotient(number0, number1)

        println("$number0 / $number1 = $result")

    }while(true)
}

fun quotient(number0: Int, number1: Int): Int{
    //شرط صفر نبودن مخرج
    if(number1 != 0) return number0 / number1;
    return Int.MIN_VALUE
}
        

try{

    ...

}catch(Exception ex){

    ...

}
                        

public static void main(String[] args){
    Scanner input = new Scanner(System.in);
    boolean continueLoop = true;

    do{
        int number0 = input.nextInt();
        int number1 = input.nextInt();

        try{

            int result = number0 / number1;
            System.out.println("number0 / number1 = " + result);

        }catch(ArithmeticException ex){
            System.out.println(ex.getMessage())
        }

    }while(continueLoop);
}

public static int quotient(number0, number1){
        //شرط صفر نبودن مخرج
        //if(number1 != 0) return number0 / number1;
        return number0 / number1;
}
                        

fun main() {

    val input = Scanner(System.`in`)

    do{
        println("Enter two numbers ")

        val number0 = input.nextInt()
        val number1 = input.nextInt()
        try{
            val result = quotient(number0, number1)

            println("$number0 / $number1 = $result")
        }catch(e: ArithmeticException){
            println(e.message);
        }
    }while(true)
}

fun quotient(number0: Int, number1: Int): Int{
    //شرط صفر نبودن مخرج
    if(number1 != 0) return number0 / number1;
    return Int.MIN_VALUE
}
                        

try{

    ...

}catch(Exception e){

    ...

}finally{

    //اجرای کدهای داخل finally بعد از try-catch

}
    //اجرای بقیه ی کد های برنامه...
                        

try{

...

}catch(e: Exception){

...

}finally{

//اجرای کدهای داخل finally بعد از try-catch

}

//اجرای بقیه ی کد های برنامه...
                        

public void myMethod(){
    throw new ArithmeticException();
}
                        

fun myMethod(){
    throw ArithmeticException()
}
                        

public static void main(String[] args){
    Scanner input = new Scanner(System.in);
     boolean continueLoop = true;

     do{
        int number0 = input.nextInt();
        int number1 = input.nextInt();

        try{

            int result = number0 / number1;
            System.out.println("number0 / number1 = " + result);

        }catch(ArithmeticException ex){
            System.out.println(ex.getMessage())
        }

    }while(continueLoop);
}

public static int quotient(number0, number1){

    if(number1 == 0) throw new ArithmeticException("Can not divide by Zero");

    return number0 / number1;
}
                        

fun main() {

val input = Scanner(System.`in`)

    do{
        println("Enter two numbers ")

        val number0 = input.nextInt()
        val number1 = input.nextInt()
        try{
            val result = quotient(number0, number1)
            println("$number0 / $number1 = $result")
        }catch(e: ArithmeticException){
            println(e.message);
        }
    }while(true)
}

fun quotient(number0: Int, number1: Int): Int{
    //شرط صفر نبودن مخرج
    if(number1 == 0) throw ArithmeticException("Can not divide by Zero")
    return Int.MIN_VALUE
}
                        

public class NegativeRadiusException extends IllegalArgumentException {
    private final double radius;

    public NegativeRadiusException(double radius){
        super("Radius is " + radius + " and it can not be negative");
        this.radius = radius;
    }

    public double getRadius() {
        return radius;
    }
}
                        

class NegativeRadiusException(var radius: Double): IllegalArgumentException("Radius is $radius and it can not be Negative")
                        

public class Circle {
    private double radius;

    public Circle(double radius) {
        if (radius < 0) throw new NegativeRadiusException(radius);
        this.radius = radius;
    }

    public Circle() {
        this(1.0);
    }

    public void setRadius(double radius) {
        if (radius < 0) throw new NegativeRadiusException(radius);
        this.radius = radius;
    }

    public double getRadius() {
        return radius;
    }

    public double getArea() {
         return radius * radius * Math.PI;
    }

    public double getPerimeter() {
        return 2 * radius * Math.PI;
    }

}
                        

class Circle {
    var radius: Double = 0.0
        set(value) {
            if (value < 0) throw NegativeRadiusException(value)
            field = value
        }

    constructor(radius: Double) {
        if (radius < 0) throw NegativeRadiusException(radius)
    }

    constructor() : this(radius = 1.0)

    fun getArea(): Double {
        return PI * radius * radius
    }

    fun getPerimeter(): Double {
        return 2 * PI * radius
    }
}
                        

Circle c0  = new Circle(23);
System.out.println("Radius of circle c0: " + c0.getRadius());
System.out.println("Area of circle c0: " + c0.getArea());
System.out.println("Perimeter of circle c0: " + c0.getPerimeter());

System.out.println();

//اختصاص دادن عمدی مقدار منفی به کانستراکتور کلاس دایره برای بیرون انداختن اکسپشن
Circle c1 = new Circle(-2);
System.out.println("Radius of circle c1: " + c1.getRadius());
System.out.println("Area of circle c1: " + c1.getArea());
System.out.println("Perimeter of circle c1: " + c1.getPerimeter());
                        

val c0  = Circle(23);
println("Radius of circle c1: ${c0.getRadius()}");
println("Area of circle c1: ${c0.getArea()}" + );
println("Perimeter of circle c0: ${c0.getPerimeter()}");

println();

//اختصاص دادن عمدی مقدار منفی به کانستراکتور کلاس دایره برای بیرون انداختن اکسپشن
val c1 = new Circle(-2);
println("Radius of circle c1: ${c1.getRadius()}");
println("Area of circle c1: ${c1.getArea()}" + );
println("Perimeter of circle c1: ${c1.getPerimeter()}");
        

public void firstMethod() throws IOException {
    FileInputStream fis = new FileInputStream("PATH");
        ...
}

public void secondMethod(){
    try{
        firstMethod();
    }catch(IOException ioe){
        System.out.println(ioe.getMessage());
    }
}
                        

public void readData() throws Exception0, Exception1, ... , ExceptionN{
    ...
}
                        

@Throws(IOException::class)
fun readData(){
    val fis = FileInputException("PathToFile")
    ...
}