Guided Notes
Strings & Math
String methods, concatenation, special characters, StringBuilder, and the Math class.
Strings
Slide 1 / 5A String holds text in double quotes: String name = "Ada Lovelace";
Strings are objects with methods: name.length() → 12 name.toUpperCase() → "ADA LOVELACE" name.indexOf("Love") → 4 name.charAt(0) → 'A' name.substring(4) → "Lovelace" name.contains("Ada") → true
Strings are immutable — methods return a new String and never change the original.