I didnt understand this code

Question

public class MyClass {
public static void main(String[ ] args) {
Person j;
j = new Person("John");
j.setAge(20);
celebrateBirthday(j);
System.out.println(j.getAge());
}
static void celebrateBirthday(Person p) {
p.setAge(p.getAge() + 1);
}
}
//Outputs "21"

Answer 1

tell me so i could expain u that

Answer 2

John is 20. When he celebrates his birthday he turns 21 😁

Answer 3

what in it u did not got bro

Answer 4

Method celebratrBirthday increases age by 1. To make it more clear to understand:

int newAge = p.getAge()+1;
//You take person's current age
p.setAge(newAge)
//Then you change current age
😊

Answer 5

p.setAge(p.getAge()+1);
isnt that supposed to be like this
p.getAge(p.setAge()+1); ????

Answer 6

😂😂sure but I didn't get the last line of code

Answer 7

thanks bro 😁appreciated

Answer 8

You're welcome ☺️