Java End Term: 7 August 2022, Set QPD1 (May 2022 term)

1class Customer{
2    private String name;
3    public Customer(String n){
4        this.name = n;
5    }
6    public Customer(Customer c){
7        this.name = c.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        Customer c1 = new Customer("Latha");
19        Customer c2 = c1;
20        Customer c3 = new Customer(c1);
21        c1.setName("Geeta");
22        System.out.println("c2.name : " + c2.getName());
23        System.out.println("c3.name : " + c3.getName());
24    }
25}

1M.S Dhoni is a professional Indian cricketer
2M.S Dhoni is from jharkhand

1import java.io.*;
2import java.util.*;
3public class FileTest {
4    public static void main(String[] args) {
5        try {
6            var in=new FileInputStream("test.txt");
7            var sc=new Scanner(in);
8            var data=new TreeSet<String>();
9            while(sc.hasNext()) {
10                data.add(sc.next()+" ");
11            }
12            for(String str:data)
13                System.out.print(str);
14        } catch (FileNotFoundException e) {
15            System.out.println("File does not exist.");
16        }
17        catch (IOException e) {
18            System.out.println("Error in writing a file.");
19        }
20    }
21}

1import java.util.stream.*;
2public class Main{
3    public static void main(String[] args){
4      Integer[] a = {11, 8, 20, 13, 6};
5      Stream.of(a)
6              .map((i) -> i - 8).filter((i) -> i% 2 == 0)
7              .forEach((x) -> System.out.println(x));
8    }
9}