please fix the error, java

Homework: Add One Function For this homework you'll write your first function, a reusable piece of code that allows us to build more complex computer programs. We're going to start simple. Declare and implement a function called addone. Your function should accept a single int argument and return the result of adding one to its argument. A You have until 11:59PM Central Time on 2021-02-07 to complete this problem. WORKING PREVIOUS 1 int called; 2 function addone - i+1; 3 public int addone (int i ) called++; return 1+1; 4 5 Question.java:2: error: cannot find symbol function addone = 1+1; symbol: class function location: class Question 1 error