/**学生类*/
class Student
{
/**姓名*/
private String name;
/**年龄*/
private int age;
/**性别*/
private char sex;
public Student(){}
/**带参构造函数*/
public Student(String name,int age,char sex){
this.name = name;
this.age = age;
this.sex = sex;
}
/**
* 获取姓名
* @return name 姓名
*/
public String getName() {
return name;
}
/**
* 设置姓名
* @param name 姓名
*/
public void setName(String name) {
this.name = name;
}
/**
* 获取年龄
* @return age 年龄
*/
public int getAge() {
return age;
}
/**
* 设置年龄
* @param age 年龄
*/
public void setAge(int age) {
this.age = age;
}
/**
* 获取性别
* @return sex 性别
*/
public char getSex() {
return sex;
}
/**
* 设置性别
* @param sex 性别
*/
public void setSex(char sex) {
this.sex = sex;
}
/**比较对象属性是否相等*/
public boolean equals(Object obj )
{
//提高效率性
if (this==obj) {
return true;
}
//提高健壮性
if (!(obj instanceof Student)) {
return false;
}
//向下转型
Student s = (Student)obj;
return this.age == s.age && this.name.equals(s.name);
}
}
/**测试类*/
public class StudentTest {
public static void main(String[] args) {
int x = 10;
int y = 10;
System.out.println(x==y);
//创建Student对象
Student s1 = new Student();
//创建Student对象
Student s2 = new Student();
//给age赋值
s1.setAge(20);
s2.setAge(20);
//给name赋值
s1.setName("张三");
s2.setName("李四");
//比较s1和s2是否相等
boolean flag = s1.equals(s2);
//打印输出结果
System.out.println(flag);
}
} |
|
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