uk1

Q1
class Main {
public static int isPrime(int x)
{
int i;
for (i = 2; i < x / 2 + 1; i++) {
if (x % i == 0) {
return 0;
}
}
return 1;
}
public static void findPrimes(int n)
{
int i;
for (i = 2; i <= n; i++) {
if (isPrime(i) == 1)
System.out.print(i + ", ");
}
System.out.println();
}
public static void main(String[] args)
{
if (args.length > 0) {
int n = Integer.parseInt(args[0]);
findPrimes(n);
}
else
System.out.println("No command line " + "arguments found.");
}
}
Q2
mport java.io.IOException;
import java.io.*;
abstract class Staff{
String name;
int id;
}
class FullTimeStaff extends Staff{
String department;
double salary;
public void accept() throws IOException{
System.out.println("Enter the name, ID, department and salary: ");
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
name=br.readLine();
id=Integer.parseInt(br.readLine());
department=br.readLine();
salary=Double.parseDouble(br.readLine());
}
public void display(){
System.out.println("Name: "+name);
System.out.println("ID: "+id);
System.out.println("Department: "+department);
System.out.println("Salary: "+salary);
System.out.println("----------------------");
}
}
class PartTimeStaff extends Staff{
int hours, rate;
public void accept() throws IOException{
System.out.println("Enter the name, ID , No of working hours and rate per hour:
");
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
name=br.readLine();
id=Integer.parseInt(br.readLine());
hours=Integer.parseInt(br.readLine());
rate=Integer.parseInt(br.readLine());
}
public void display(){
System.out.println("Name: "+name);
System.out.println("ID: "+id);
System.out.println("No of Working Hours: "+hours);
System.out.println("Rate per hour: "+rate);
System.out.println("----------------------");
}
}
public class Main {
public static void main(String [] args) throws IOException{
int i;
System.out.println("Select Any One: ");
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
System.out.println("1.Full Time Staff");
System.out.println("2.Part Time Satff");
int ch=Integer.parseInt(br.readLine());
switch(ch){
case 1:
System.out.println("Enter the number of Full Time Staff: ");
int n=Integer.parseInt(br.readLine());
FullTimeStaff [] l=new FullTimeStaff[n];
for(i=0;i<n;i++){
l[i]=new FullTimeStaff();
l[i].accept();
}
for(i=0;i<n;i++){
l[i].display();
}
break;
case 2:
System.out.println("Enter the number of Part Time Staff: ");
int m=Integer.parseInt(br.readLine());
PartTimeStaff [] h=new PartTimeStaff[m];
for(i=0;i<m;i++){
h[i]=new PartTimeStaff();
h[i].accept();
}
for(i=0;i<m;i++){
h[i].display();
}
break;
}
}
}