java-tutorials/code/tutorial_44.java at master · simply-coded/java-tutorials · GitHub

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/**
 * CLASS
 */
class Driver {
    //
    public static void main(String[] args) {

        /*
            Different ways to do the same thing
                //
                String[] familyMembers;
                familyMembers = new String[3];
                familyMembers[0] = "Jeremy";
                familyMembers[2] = "Kate";
                familyMembers[1] = "Bobby";

                //
                String[] familyMembers = new String[3];
                familyMembers[0] = "Jeremy";
                familyMembers[2] = "Kate";
                familyMembers[1] = "Bobby";

                //
                String[] familyMembers;
                familyMembers = new String[]{"Jeremy", "Kate", "Bobby"};

                //
                String[] familyMembers = new String[]{"Jeremy", "Kate", "Bobby"};

                //
                String[] familyMembers = {"Jeremy", "Kate", "Bobby"};

        */

        // Example
        String[] familyMembers = {"Jeremy", "Kate", "Bobby"};

        // Accessing
        System.out.println( familyMembers[2] );

        // Changing
        familyMembers[2] = "Katy";
        System.out.println( familyMembers[2] );

        // Checking
        if ( familyMembers[0].equals("Jeremy") ) {
            System.out.println("Hello Jeremy");
        }
        else {
            System.out.println("Intruder");
        }

        // Looping through
        for (String name : familyMembers) {
            System.out.println( name );
        }

        for (int i = 0; i < familyMembers.length; i++) {
            System.out.println( familyMembers[i] );
        }

    }
    //
}