Untitled

public class UniversityTester{
  public static void main(String[]args){
    University icl=new University();
    University brac=new University();
     System.out.println(brac);
     System.out.println(icl);
     
     System.out.println(brac.name);
     System.out.println(brac.country);
     

//B
     
     icl.name="Imperial College London";
     icl.country="England";
     
     brac.name="Brac University";
     brac.country="Bangladesh";
     
     System.out.println(icl.name);
     System.out.println(icl.country);
     
     System.out.println(brac.name);
     System.out.println(brac.country);
  }
}





2
public class Circle {
  public double radius = 5;
  
  public void CircleArea(){
    double area= Math.PI*Math.pow(radius,2);
   
    System.out.println("The area of the circle is "+area);
  }
  
  public void CircleCircumfarence(){
    double Circumfarence=2*Math.PI*radius;
    System.out.println("The circumference of the circle is "+Circumfarence);

  }
}

3
public class Student{
  public String name="Bob";
  public int id=1;
}


4
public class Vehicle{
  public String type="Car";
  public int wheels=4;
  public String color="White";
}

5

public class Tournament{
  public String name;
  public String sportsType;
  public int numberOfTeams;
  public String[] teams;
}


6

public class ImaginaryNumber{
  public int realPart;
  public int imaginaryPart;
  public void printNumber(){
    System.out.println(realPart +"+ "+imaginaryPart+"i");
  }
}



7

public class Cat{
  public String color="White";
  public String action="sitting";
  
  public void printCat(){
    System.out.println(color+" cat is "+action);
  }
}