how to get the first character of a string in java code example

Example 1: java get last char of string

public class Test {
    public static void main(String args[]) {
        String string = args[0];
        System.out.println("last character: " +
                           string.substring(string.length() - 1)); 
    }
}

Example 2: get first 5 characters of string java

firstFourChars = input.substring(0, 4);

Example 3: get first character of string java

var string = "freeCodecamp";

string.charAt(0); // Returns "f"

Example 4: get certain character from string java

String words = "Hi There"; //creating a string var named 'words'
char index = words.charAt(0); /* setting a variable 'index' to letter
'0' of variable 'words'. In this case, index = 'H'.*/
System.out.println(index); //print var 'index' which will print "H"

Example 5: character at index of string java

String str = "Grepper";
char ch = str.charAt(0);
//ch is assigned the value of G

Example 6: how to return the first character in an array from a method java

public String firstElement(String[] array)
{
      if (array.length >= 1)
      {
      return array[0];
      }
      else {
          return "";
      }
}