Java / OOP/ Constructor - https://www.minte9.com/java/oop-introduction-constructor-1187

constructor.java

/**
 * Write constructor and method for Output class.
 * The output() prints the <name> instance variable
 */
class App {
    public static void main(String[] args) {
        Output o = new Output("John");
        o.output(); // John
    }
}

/**
 * SOLUTION
 */
class Output{

    private String name;
    
    public Output(String name) {
        this.name = name;
    }
    public void output() {
        System.out.println(name);
    }
}