Learn the Java super keyword in 10 minutes! 🔝

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#java #javatutorial #javacourse public class Main { public static void main(String[] args) { // super = Refers to the parent class // Used in constructors and method overriding // Calls the parent constructor to initialize attributes Person person = new Person("Tom", "Riddle"); Student student = new Student("Harry", "Potter", 3.25); Employee employee = new Employee("Rubeus", "Hagrid", 50000); } } public class Person { String first; String last; Person(String first, String last){ this.first = first; this.last = last; } void showName(){ System.out.println(this.first + " " + this.last); } } public class Student extends Person{ double gpa; Student(String first, String last, double gpa){ super(first, last); this.gpa = gpa; } void showGPA(){ System.out.println(this.first + "'s gpa is: " + this.gpa); } } public class Employee extends Person{ int salary; Employee(String first, String last, int salary){ super(first, last); this.salary = salary; } void showSalary(){ System.out.println(this.first + "'s salary is $" + this.salary); } }

Published 2024-12-05 · Watch on YouTube ↗
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