Java End Term: 1 September 2024, Set QDF1 (May 2024 term)

1class Monitor {
2    public void screenSize() {
3        System.out.println("Normal screen size");
4    }
5    public void resolution() {
6        System.out.println("Normal resolution");
7    }
8}
9class LCD extends Monitor {
10    public void screenSize() {
11        System.out.println("Screen size is large");
12    }
13}
14class LED extends Monitor {
15    public void screenSize() {
16        System.out.println("Screen size is medium");
17    }
18    public void resolution() {
19        System.out.println("HD resolution");
20    }
21}
22public class Test {
23    static void show(Monitor[] monitors) {
24        for (int i = 0; i < monitors.length; i++) {
25            monitors[i].screenSize();
26            monitors[i].resolution();
27        }
28    }
29    public static void main(String[] args) {
30        Monitor[] monitors = {new LCD(), new LED()}; // LINE 1
31        show(monitors);
32    }
33}

1class Candidate {
2    private String name;
3    private String college;
4    // Constructor to initialize instance variables
5    public String toString() {
6        return name;
7    }
8
9    public boolean equals(Object obj) {
10        // CODE BLOCK
11    }
12}
13public class Test {
14    public static void main(String[] args) {
15        Candidate c1 = new Candidate("Shreya", "IITMadras");
16        Candidate c2 = new Candidate("Hari", "IITDelhi");
17        Candidate c3 = new Candidate("Aisha", "IITMadras");
18        if (c1.equals(c3)) {
19            System.out.println(c1 + " and " + c3 + " belong to the same college");
20        }
21        if (c2.equals(c3)) {
22            System.out.println(c2 + " and " + c3 + " belong to the same college");
23        }
24    }
25}

1class Intern {
2    private String name;
3    public Intern(String n) {
4        name = n;
5    }
6    public Intern(Intern i) {
7        this.name = i.name;
8    }
9    public void setName(String n) {
10        name = n;
11    }
12    public String getName() {
13        return name;
14    }
15}
16public class Test {
17    public static void main(String[] args) {
18        Intern i1 = new Intern("Jaya");
19        Intern i2 = new Intern(i1);
20        Intern i3 = i1;
21        i1.setName("Subash");
22        System.out.println(i1.getName());
23        System.out.println(i2.getName());
24        System.out.println(i3.getName());
25    }
26}