class Main {
  public static void main(String[] args) {
    System.out.println("Hello World! \n It's been nice knowing you. \n Goodbye World ");
  }
}






class Main {
  public static void main(String[] args) {
    System.out.println("==================================");
    System.out.println("= Student Information =");
    System.out.println("==================================");
    System.out.println("= Name : ARDP Ranasignhe =");
    System.out.println("= Reg No : DIS\t08\tM4\t1234 =");
    System.out.println("= Address : Malabe =");
    System.out.println("==================================");


  }
}




class Main {
  public static void main(String[] args) {
    int age=20;
    if (age > 18){
      System.out.print("Adult");
    }
    else{
      System.out.print("Child");
    }

  }
}



  import java.util.Scanner;
  class Main {
  public static void main(String[] args) {
    Scanner scanner= new Scanner(System.in);
    System.out.print("Value of the day : ");
    int val=scanner.nextInt();
    switch (val) {
  case 1:
    System.out.println("Day of the week : Monday");
    break;
  case 2:
    System.out.println("Day of the week : Tuesday");
    break;
  case 3:
    System.out.println("Day of the week : Wednesday");
    break;
  case 4:
    System.out.println("Day of the week : Thursday");
    break;
  case 5:
    System.out.println("Day of the week : Friday");
    break;
  case 6:
    System.out.println("Day of the week : Saturday");
    break;
  case 7:
    System.out.println("Day of the week : Sunday");
    break;
}
   System.out.print("Good Bye!");
  }
}



class Main {
  public static void main(String[] args) {
    int m=1,o=1;
    while (o<=5){
      m=0;
      while (m<=5)
      {
        System.out.print("*");
        m++;
      }
      System.out.println();
      o++;
    }
   for (int i=0; i<5; i++) {
      for (int j=5-i; j>1; j--){
        System.out.print(" ");
        }
        for (int j=0; j<=i; j++ ){
            System.out.print("* ");
            }
          System.out.println();
        }
  }

}



class Main {
    public static void main(String[] args) {

        int k = 10;
        for(int i = 0; i < 5; i++) {
            for(int j = 0; j < 5; j++) {
              System.out.print("* ");
            }
            for(int m = 1; m < k; m++) {
              System.out.print(" ");
            }
            k--;
            for(int n = 0; n <= i; n++) {
              System.out.print("* ");
            }
            System.out.println();
        }
    }
}


import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    int num1,num2;
    Scanner scanner=new Scanner (System.in);
    System.out.println("Enter two numbers");
    num1=scanner.nextInt();
    num2=scanner.nextInt();
    System.out.println("The Avergae of the two number is:- "+(num1+num2)/2);

  }
}




lab 2


class Main {
  public static void main(String[] args) {
    int miles = 26,yards = 385;
    double kilometers = 0;

    // Write the expression to convert the given values to kilometers
    miles=miles+(1760*yards);
    kilometers=(miles*1.609);
    System.out.println("Number of kilometers are " + kilometers);
  }
}



import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    String name,id,district;
    Scanner scanner=new Scanner(System.in);
    System.out.print("Enter the Student's First Name :- ");
    name=scanner.nextLine();
    System.out.print("Enter the Student's  ID :- ");
    id=scanner.nextLine();
    System.out.print("Enter the Student's  District :- ");
    district=scanner.nextLine();
    System.out.println("DitNo : "+name);
    System.out.println("Name: "+id);
    System.out.println("District : "+district);



  }
}



import java.util.Scanner;
class Main {
  public static void main(String[] args) {
    int length, width, height;
    int volume = 0;
    Scanner scanner=new Scanner(System.in);
    //Take user inputs using Scanner class
    System.out.println("Enter the length of the cube:-");
    length=scanner.nextInt();
    System.out.println("Enter the width of the cube:-");
    width=scanner.nextInt();
    System.out.println("Enter the height of the cube:-");
    height=scanner.nextInt();


    //Calculate the volume of cube
    volume=length*width*height;

    System.out.println("Volume of the cube : "+volume);
  }
}


import java.io.BufferedReader;
import java.io.InputStreamReader;
class Main {
  public static void main(String[] args) {
    int length, width, height;
    int volume = 0;
    String l,w,h;

    //Take user inputs using InputStreamReader class or BufferedReader class
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

    System.out.println("Enter the length of the cube:-");
    l = reader.readLine();
    length=Integer.parseInt(l);

    System.out.println("Enter the width of the cube:-");
    w = reader.readLine();
    width=Integer.parseInt(w);

    System.out.println("Enter the height of the cube:-");
    h = reader.readLine();
    height=Integer.parseInt(h);


    //Calculate the volume of cube
    volume=length*width*height;


    //Calculate the volume of cube

    System.out.println("Volume of the cube : "+volume);
  }
}