Code is showing error that cannot find symbol String [] z

Question

import java.util.Scanner;
public class Program
{
public static void main(String[] args) {
Scanner sc = new Scanner (System.in);
String n = sc.nextLine();
int a = n.length();
String [] z = {A,a,B,b,C,c,D,d,E,e,F,f,g,G,H,h,I,i,J,j,K,k,L,l,M,m,N,n,O,o,P,p,Q,q,R,r,S,s,T,t,U,u,v,V,w,W,x,X,Y,y,Z,z};
int q =z.length;
String c ="";
String t="";
for(int i=a-1;i>=0;--i){
char b = n.charAt(i);
c = c + b ;
}
for(int j=0;j=a-1;++j){
for(int i=0;i<=q-1;++i){
if (c.charAt(j)==z[i]){
t = t + c.charAt(j);
}

}
}
System.out.print(t);
}
}

Answer 1

You didnt used (☞ﾟヮﾟ)☞ " "
for example:-
String[] z={"A","a","B","c"..........};
thats why error is cannot find symbol.

Answer 2

You are comparing charecter with strings. So it not works..
Make charecter array..
char z[] = {'A', 'a', 'B',.........} ;

Answer 3

Tysm

Answer 4

Ya tysm

Answer 5

Also if condition is not working pls tell why