根据您正确收到的评论,您首先需要定义“人”的真正含义。
如果 Person 是输入的字符串表示形式,则需要以这种方式编辑代码:
String name;
Scanner scan = new Scanner(System.in);
System.out.println("Please enter your name: ");
name = scan.nextLine();
// asks for user input
// Wrap Person in double quotes
if (name.equals("Person"))
System.out.println("Hey buddy!");
else
System.out.println("This is just an example");
输出将是:
Please enter your name:
Person
Hey buddy!
如果 Person 是用户定义的对象,那么您首先需要定义一个覆盖 equals 方法的 Person 对象。
人物对象
public class Person
{
private String name;
public Person(String name)
{
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Person other = (Person) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
然后使用 Person 对象通过 main 方法比较您在流中输入的内容。
public static void main(String[] args) {
// Construct and initialise Person
Person person = new Person("Person");
Scanner scan = new Scanner(System.in);
System.out.println("Please enter your name: ");
Person name = new Person(scan.nextLine());
// asks for user input
// Use the person object for name instead of String
if (name.equals(person))
System.out.println("Hey buddy!");
else
System.out.println("This is just an example");
}
你应该得到你想要的输出,即
Please enter your name:
Person
Hey buddy!