// Car class
class Car {
void honkHorn() {
// Code for horn to sound
System.out.println("beep beep");
}
}
$$
$$
// Main class
public class Main {
public static void main(
String[] args) {
Car myNewCar = new Car();
myNewCar.honkHorn(); // beep beep
}
}
非voidメソッドの作成
非voidメソッドは必ず戻り値の型を持ちます
returnで値を返します
// Formula class
class Formula {
// Non void method
int getSquare(int number) {
// Return an "int" value
return number * number;
}
}
// Main class
public class Main {
// main method
public static void main(
String[] args) {
Formula myFormula =
new Formula();
// Calling "getSquare" method
System.out.println(
myFormula.getSquare(5)); // 25
}
}
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