Muhaiminur
2/13/2018 - 12:44 AM

Basic Object Oriented

Create a class called Student as described below: • Fields: name, id, address, cgpa • Methods: public String getName() public void setName(String n) public String getID() public void setID(String i) public String getAddress() public void setAddress(String a) public double getCGPA() public void setCGPA(double c) Write a class called StudentTester to write a main() method: • public static void main(String[] args){

} • Inside the main() method o Create 3 objects/instances of Student called john, mike and carol o Set their fields to some value using the public methods. o Print the information of each Student using System.out.println()

Student.java
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/*
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 * To change this template file, choose Tools | Templates
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package JAVA_OBJECT_ORIENTED;

/**
 *
 * @author ABIR
 */
public class Student {
    String name;
    String id;
    String address;
    double cgpa;
    public void setName(String n){
        name=n;
    }
    public String getName(){
        return name;
    }
    public void setID(String i){
        id=i;
    }
    public String getID(){
        return id;
    }
    public void setAddress(String a){
        address=a;
    }
    public String getAddress(){
        return address;
    }
    public void setCGPA(double c){
        cgpa=c;
    }
    public double getCGPA(){
        return cgpa;
    }
    public String toString(){
        return "Name = "+name+" id = "+id+" address= "+address+" cgpa = "+cgpa;
    }
}
StudentTester.java
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/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package JAVA_OBJECT_ORIENTED;

/**
 *
 * @author ABIR
 */
public class StudentTester {
    public static void main(String[] args) {
        Student john=new Student();
        Student mike=new Student();
        Student carol=new Student();
        john.setName("JOHN");
        john.setID("55");
        john.setAddress("Dhaka");
        john.setCGPA(3.3);
        mike.setName("MIKE");
        mike.setID("12301019");
        mike.setAddress("Budapest");
        mike.setCGPA(2.76);
        carol.setName("JOHN");
        carol.setID("23");
        carol.setAddress("Spain");
        carol.setCGPA(2.3);
        System.out.println(john.getName()+" "+ john.getID()+" "+john.getAddress()+" "+john.getCGPA());
        System.out.println(mike.getName()+" "+ mike.getID()+" "+mike.getAddress()+" "+mike.getCGPA());
        System.out.println(carol.getName()+" "+ carol.getID()+" "+carol.getAddress()+" "+carol.getCGPA());
        System.out.println(john);
        System.out.println(mike);
        System.out.println(carol);
    }
}