编辑器
public class Main { int modelYear; String modelName; // Constructor with one parameter public Main(String modelName) { // Call the two-parameter constructor to reuse code and set a default year this(2020, modelName); } // Constructor with two parameters public Main(int modelYear, String modelName) { // Use 'this' to assign values to the class variables this.modelYear = modelYear; this.modelName = modelName; } // Method to print car information public void printInfo() { System.out.println(modelYear + " " + modelName); } public static void main(String[] args) { // Create a car with only model name (uses default year) Main car1 = new Main("Corvette"); // Create a car with both model year and name Main car2 = new Main(1969, "Mustang"); car1.printInfo(); car2.printInfo(); } }
2020 Corvette
1969 Mustang
编辑器