Java Abstract Array Min Max

abstract class Arr { int a[]; int n; abstract int Min(); abstract int Max(); }

class Array extends Arr { Array (int n) { this.n=n; this.a=new int [n]; }

int Min() { int res=a[0]; for(int i=1;i<n;i++) { if(a[i]<res) res=a[i];} return res; }

int Max() { int res=a[0]; for(int i=1;i<n;i++) { if(a[i]>res) res=a[i];} return res; }}