TrialTest.java

// Name: Afiq Nazrie Rabbani
// Matric: A19EC0216

class TrialTest {
    public static void main(String[] a) {
        Trial ac = new Trial(5, "Five");
        // ac.a = 10;              //The field Trial.a is not visible
        // ac.b = "Ten";           //The field Trial.b is not visible
        ac.setAB(10, "Ten");    //Use setter
        ac.setAB(6, "Six");
        // getA();                 //Cant find method getA()
        ac.show();
        // show();                 //Cant find method show()
        // ac.getA();              //The method getA() from the type Trial is not visible
    }
}
class Trial {
    private int a;
    private String b;

    public Trial(int _a, String _b) { // Add argument
        a = _a;
        b = _b;
    }
    public void setAB(int num, String str) {
        a = num;
        b = str;
    }
    private int getA() {
        return a;
    }
    public void show() {
        System.out.println("A: "+ getA());
        System.out.println("B: "+ b);
    }
}