what is Multiple Classes in java tutorial
Java program can contain more than one i.e. multiple classes. Following example Java program contain two classes: Computer and Laptop. Both classes have their own constructors and a method. In main method we create object of two classes and call their methods.
Using two classes in Java program
class Computer {
Computer() {
System.out.println("Constructor of Computer class.");
}
void computer_method() {
System.out.println("Power gone! Shut down your PC soon...");
}
public static void main(String[] args) {
Computer my = new Computer();
Laptop your = new Laptop();
my.computer_method();
your.laptop_method();
}
}
class Laptop {
Laptop() {
System.out.println("Constructor of Laptop class.");
}
void laptop_method() {
System.out.println("99% Battery available.");
}
}
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