Работа со строками в Java

import java.util.Scanner;
 
public class FirstApp {
 
 public static void main(String[] args) {
 
 Scanner in = new Scanner(System.in);
 System.out.print("Введите имя: ");
String name = in.nextLine(); //Вводим переменную
String str1 = "'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z' ";
 
 if (name == str1){
 System.out.println("lat");
 }
 
String str2 = "'А','Б','В','Г','Д','Е','Ё','Ж','З','И','Й','К','Л','М','Н','О','П','Р','С','Т' ";
 
 if (name == str2){
 System.out.println("rus");
 }
 
String str3 = "'0','1','2','3','4','5','6','7','8','9' ";
 
 if (name == str3){
 System.out.println("digit");
 }
 
}
}

public class CharacterIdentifier {
    private static final char[] latinSymbols = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
    private static final char[] russianSymbols = {'А','Б','В','Г','Д','Е','Ё','Ж','З','И','Й','К','Л','М','Н','О','П','Р','С','Т'};
    private static final char[] digits = {'0','1','2','3','4','5','6','7','8','9'};
 
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
 
        System.out.print("Введите символ: ");
        char character = sc.nextLine().toCharArray()[0];
 
        System.out.println(identifySymbol(character));
    }
 
    public static String identifySymbol(char character) {
        for(char c : latinSymbols) {
            if(c == character) {
                return "This is a latin symbol";
            }
        }
 
        for(char c : russianSymbols) {
            if(c == character) {
                return "This is a russian symbol";
            }
        }
 
        for(char c : digits) {
            if(c == character) {
                return "This is a digit";
            }
        }
 
        return null;
    }
}