Useful beginner string methods in Java! 🧵

#java #javatutorial #javacourse

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

String name = "Bro Code";

int length = name.length();
char letter = name.charAt(0);
int index = name.indexOf(" ");
int lastIndex = name.lastIndexOf("o");

name = name.toUpperCase();
name = name.toLowerCase();
name = name.trim();
name = name.replace("o", "a");

if(name.isEmpty()){
System.out.println("Your name is empty");
}
else{
System.out.println("Hello " + name);
}

if(name.contains(" ")){
System.out.println("Your name contains a space");
}
else{
System.out.println("Your name DOESN'T contain any spaces");
}

if(name.equalsIgnoreCase("password")){
System.out.println("Your name can't be password");
}
else{
System.out.println("Hello " + name);
}
}
}