constructors

java/constructors/Car.java

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+public class Car {
+
+  // define the fields as private to prevent outside classes from accessing them
+  // access restriction will be a topic in the next lesson
+  private String model = "";
+  private String manufacturer = "";
+
+  // define the constructor
+  // in java a constructor is basically a function without return type named exactly like the class
+  public Car(String manufacturer, String model) {
+    // set manufacturer of the current object to the given manufacturer
+    this.manufacturer = manufacturer;
+    // set model of the current object to the given model
+    this.model = model;
+  }
+
+  // create the method print_info()
+  public void print_info() {
+    System.out.println("Car Information:");
+    System.out.println("- manufacturer: " + this.manufacturer);
+    System.out.println("- model: " + this.model);
+  }
+}

java/constructors/README.md

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+# Java example
+
+Relevant files:
+
+- [main.java](./main.java)
+- [car.java](./car.java)

java/constructors/main.java

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+public class main {
+  public static void main(String[] args) {
+    // create a new car and store it in the variable 'a'
+    // the constructor requires manufacturer and model to be specified
+    Car a = new Car("Benz", "Velo");
+
+    // do the same for a second car
+    Car b = new Car("Ford", "Model T");
+
+    // use a function of the car class to print out the information
+    a.print_info();
+    b.print_info();
+  }
+}