Java setter和getters [英] Java setters and getters
本文介绍了Java setter和getters的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我已经在Java中苦苦挣扎了很长一段时间了。
I have been struggling with setters and getters in java for quite a long time now.
例如,如果我想用适当的set和get方法编写一个包含名称,性别,年龄等信息的类。然后在另一个课程中,我想以此为例测试我的集合和getter:
For instance, if I want to write a class with some information as name, sex, age etc with appropriate set and get methods. Then in a another class I want to test my set and getters with this as a example:
personInfo = myInfo() = new Personinfo("Anna", "female", "17");
我该怎么做?
我知道我可以打印输出:
I know that I can have a printout like:
public void printout() {
System.out.printf("Your name is: " + getName() +
" and you are a " + getSex());
}
推荐答案
这是一个简单的例子告诉你如何做到这一点:
This is a simple example to show you how to do it:
public class Person {
private String name;
private String gender;
private int age;
Person(String name, String gender, int age){
this.name = name;
this.gender = gender;
this.age = age;
}
public void setName(String name){
this.name = name;
}
public void setGender(String gender){
this.gender = gender;
}
public void setAge(int age){
this.age = age;
}
public String getName(){
return this.name;
}
public String getGender(){
return this.gender;
}
public int getAge(){
return this.age;
}
public static void main(String[] args)
{
Person me = new Person("MyName","male",20);
System.out.println("My name is:" + me.getName());
me.setName("OtherName");
System.out.println("My name is:" + me.getName());
}
}
这将打印出来:
我的名字是:MyName
My name is:MyName
我的名字是:OtherName
My name is:OtherName
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