***** PROBLEM 3 ********


public class BankAccount{
    private String name, address, accountID;
    private double balance;

    public String getName(){
        return name;
    }
    public void setName(String name){
        this.name = name;
    }
    public String getAccountID(){
        return accountID;
    }
    public String getAddress(){
        return address;
    }
    public double getBalance(){
        return balance;
    }
    public void setAccountID(String accountID){
        this.accountID = accountID;
    }
    public void setAddress(String address){
        this.address = address;
    }
    public void setBalance(double balance){
        this.balance = balance;
    }
    public void addInterest(){
        balance += ( balance * 7 ) / 100 ;
    }
}








public class Main{
    public static void main(String args[]){
        BankAccount acc1 = new BankAccount();
        BankAccount acc2 = new BankAccount();
        BankAccount acc3 = new BankAccount();

        acc1.setName("Jawad");
        acc2.setName("Farhan");
        acc3.setName("Alif");
        acc1.setBalance(100);
        acc1.addInterest();
        System.out.println(acc1.getName());
        System.out.println(acc1.getBalance());
    }
}








******* PROBLEM 4 **********


public class Student{
    private String name, id, address;
    private double cgpa;

    public String getName(){
        return name;
    }
    public String getID(){
        return id;
    }
    public String getAddress(){
        return address;
    }
    public double getCGPA(){
        return cgpa;
    }
    public void setName(String name){
        this.name = name;
    }
    public void setID(String id){
        this.id = id;
    }
    public void setAddress(String address){
        this.address = address;
    }
    public void setCGPA(double cgpa){
        this.cgpa = cgpa;
    }
}





public class MainStudent{
    public static void main(String args[]){
        Student[] arr = new Student[10];
        arr[0] = new Student();
        arr[0].setCGPA(3.69);
        arr[0].setName("Habibi");
        System.out.println(arr[0].getName()+" " +arr[0].getCGPA());
    }
}







**** PROBLEM 5 ******




public class Triangle{
    private int a, b, c;

    public Triangle(){
        a = 0;
        b = 0;
        c = 0;
    }

    public void setTriangle(int a, int b, int c){
        this.a = a;
        this.b = b;
        this.c = c;
    }

    public boolean isRight(){
        if((b*b)+(a*a)==c*c) return true;
        else if((c*c)+(a*a)==b*b) return true;
        else if((b*b)+(c*c)==a*a) return true;
        return false;
    }
    public boolean isScalene(){
        if(a == b) return false;
        if(a == c) return false;
        if(b == c) return false;
        return true;
    }
    public boolean isIsosceles(){
        if(a==b && a!=c) return true;
        if(a==c && a!=b) return true;
        if(b==c && b!=a) return true;
        return false;
    }
    public boolean isEquilateral(){
        if(a == b && a == c) return true;
        return false;
    }


}