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- class StringDemo {
- public static void main (String[] args) {
- //The String data type is used to hold a sequence of characters
- //We use double quotes to enclose the value of the String
- String username = "joseph";
- String email = "john.doe@example.com";
- System.out.println("username " + username);
- String firstName = "Joseph";
- String lastName = "Kandi";
- //We can use the + operator to join String values together
- String fullName = firstName +" "+ lastName;
- System.out.println("fullName " + fullName);
- //The String type is an object type
- //It comes with several functions or method to operate on its data
- //toUpperCase() is a method on the String class.
- //We will discuss objects and method later, for now, toUpperCase() makes the value uppercase
- String fullNameCapitalized = fullName.toUpperCase();
- System.out.println(fullNameCapitalized);
- //TODO
- //Try figure out how to change the name to lower case
- //Create a variable with your own first name
- //Create a variable last name
- //Print your first name in lowercase to the console
- //Print your last name value in uppercase
- //Join your lowercase first name with your uppercase last name
- //Print the result to the console
- }
- }
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