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Milline on muutuja num väärtus pärast kõiki tehteid?
int num;
num = 5 + 4;
num = num / 9;
num = 12;
Olgu meil kaks muutujat:
double a = 3.3;
int b = 5;
Mis andmetüüpi omab a / b?
Millistele arvudele saab rakendada moodulit (%)?
Olgu meil kaks muutujat:
int a = 4;
int b = 5;
Mis andmetüüpi omab a / b?
Milline järgmistest variantidest vastab Java konventsioonile?
public static int getSum() { int sum = 0; for (int a = 50; a >= 0; a--) { if (a % 10 == 0) { sum += 1; } if (a % 5 == 0) { sum -= 1; } } return sum;}
Mida tagastaks funktsioon välja kutsudes?
Kaks klassi (Main ja Number). Mis prinditakse välja?
public class Main {
public static void main(String[] args) {
for (int i = 0; i < 10; i++) {
Number n = new Number(i++);
System.out.println(n.getValue());
}
}
}
public class Number {
private int value;
public Number(int value) {
this.value = value;
}
private int getValue() {
return value;
}
}
Mida prindib antud kood?
public static void main(String[] args) { int[] numbers = {8, 6, 4, 6, 9, 6}; printNumbers(numbers);}public void printNumbers(int[] numbers) { for (int number: numbers) { System.out.print(number); }}
Mitu argumenti võtab objekti klassi equals() meetod?
public class Fruit { int price = 10; public int getPrice() { return price; }}
public class Apple extends Fruit { @Override public int getPrice() { return super.getPrice() * 3 + super.getPrice(); }}
public class Main { public static void main(String[] args) { Fruit fruit = new Fruit(); Apple firstApple = new Apple(); Apple secondApple = new Apple(); System.out.println(fruit.getPrice() + firstApple.getPrice() + secondApple.getPrice()); }}
Mis on programmi väljund?