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Student.java
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77 lines (62 loc) · 1.28 KB
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package com.example.java8;
public class Student implements Comparable<Student> {
int rollno;
String name;
int age;
Student(int rollno, String name, int age) {
this.rollno = rollno;
this.name = name;
this.age = age;
}
public int getRollno() {
return rollno;
}
public void setRollno(int rollno) {
this.rollno = rollno;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public int compareTo(Student o) {
return this.name.compareTo(o.name);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + age;
result = prime * result + ((name == null) ? 0 : name.hashCode());
result = prime * result + rollno;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Student other = (Student) obj;
if (age != other.age)
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
if (rollno != other.rollno)
return false;
return true;
}
}