Data-Structure Recursion Java Code

general
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I was given this recursive code and asked to explain it, and as well as debug it if necessary. Your help would greatly appreciated. Thank You

public static void main(String[] args){
{

int x(int n);

int m = 0;
n = n + m + 1;
return = n;

System.out.println("n1 = " +n1);
}

int y(int n) {

int m = 1;
int m = 1;
n = x(n);
return m + n;

}
}