Program Student

public class Student {
private String name;
private String telNo;
private int age;
private double weight;

public Student(String name,String telNo,int age,double weight){
this.name = name;
this.telNo = telNo;
this.age = age;
this.weight = weight;
}

public String toString() {
String str;

str = "Name : " + name + "\n" +
"TelNo : " + telNo + " \n" +
"age : " + age + " year old\n"+
"Aeight : " + weight + " Kgs.\n";
return(str);
}
public String getName(){
return name;
}
public String getTelNo(){
return telNo;
}
public int getAge(){
return age;
}
public double getWeight(){
return weight;
}
public void setName(String name){
this.name=name;
}
public void setTelNo(String telNo){
this.telNo=telNo;
}
public void setAge(int age){
this.age=age;
}
public void setWeight(double weight){
this.weight=weight;
}
public static void main(String[] args) {
Student s1 = new Student("B","0812345678",20,89.1);
Student s2 = new Student("V","08123456789",19,91.2);

System.out.println("Detail B\n" +s1);
System.out.println("Detail V\n" +s2);

s1.setName("สมปอง");
s1.setTelNo("0869876543");
s2.setAge(21);
s2.setWeight(70);
System.out.println("name s1 :" +s1.getName());
System.out.println("TelNo s1 :" +s1.getTelNo());
System.out.println("Age s2 :" +s2.getAge());
System.out.println("Weight s2 :" +s2.getWeight());

// try: remove method toString() and see what happends
}

}