How do I fix the Java code errors? Code: //import java.util.Arrays; //Movie.java package movie; public class Movie {    private String movieName;    private int numMinutes;    private boolean isKidFriendly;    private int numCastMembers;    private String[] castMembers;    public Movie() {        movieName = "Flick";        numMinutes = 0;        isKidFriendly = false;        numCastMembers = 0;        castMembers = new String[10];    }    public Movie(String movieName, int numMinutes, boolean isKidFriendly, String[] castMembers) {        this.movieName = movieName;        this.numMinutes = numMinutes;        this.isKidFriendly = isKidFriendly;        this.numCastMembers = castMembers.length;        this.castMembers = castMembers;    }    public String getMovieName() {        return this.movieName;    }    public int getNumMinutes() {        return this.numMinutes;    }    public boolean getIsKidFriendly() {        return this.isKidFriendly;    }    public boolean isKidFriendly() {        return this.isKidFriendly;    }    public int getNumCastMembers() {        return this.numCastMembers;    }    public String[] getCastMembers() {        return this.castMembers.clone();    }    public void setMovieName(String movieName) {        this.movieName = movieName;    }    public void setNumMinutes(int numMinutes) {        this.numMinutes = numMinutes;    }    public void setIsKidFriendly(boolean isKidFriendly) {        this.isKidFriendly = isKidFriendly;    }    public boolean replaceCastMember(int index, String castMemberName) {        if (index < 0 || index > numCastMembers) {            return false;        }        castMembers[index] = castMemberName;        return true;    }    public boolean doArraysMatch(String[] arr1, String[] arr2) {        if (arr1 == null && arr2 == null) {            return true;        }        if (arr1.length == arr2.length) {            for (int i = 0; i < arr1.length; i++) {                if (arr1[i] != null && arr2[i] != null) {                    if (! arr1[i].toLowerCase().equals(arr2[i].toLowerCase())) {                        return false;                    }                }            }            return true;        }        return false;    }    public String getCastMemberNamesAsString() {        if (numCastMembers == 0) {            return "none";        }        String names = castMembers[0];        for (int i = 1; i < numCastMembers; i++) {            names += ", " + castMembers[i];        }        return names;    }    public String toString() {        String friendly;        if (isKidFriendly()) {            friendly = "kid friendly";        } else {            friendly = "not kid freindly";        }        return "Movie:" + " [ Minutes " + getNumMinutes() + " " + "| Movie Name: " + getMovieName() + " " + "| "                + friendly + " " + "| Number of Cast Members: " + getNumCastMembers() + " " + "| Cast Members: "                + getCastMemberNamesAsString() + " " + "]";    }    public boolean equals(Object o) {        Movie m = (Movie) o;        return movieName.equals(m.getMovieName()) && numMinutes == m.getNumMinutes()                && doArraysMatch(castMembers, m.getCastMembers());    }    public static void main(String[] args) {        Movie movie = new Movie("The Shawshank Redemption", 142, false,                new String[] { "Tim Robbins", "Morgan Freeman", "Bob Gunton" });        Movie movie1 = new Movie(" Aladin", 90, true,                new String[] { "Scott Weigner", "Robin Williams", "Linda Larkin", "Jonathan Freeman" });        String[] castMembers = new String[] { "Tim Robbins", "Morgan Freeman", "Bob Gunton" };               System.out.println(movie.toString());        System.out.println(movie1.toString());               System.out.println("\ncast members are same : "+movie.doArraysMatch(movie.castMembers, castMembers));               System.out.println("\nCast Members of movie 1 "+movie1.getCastMemberNamesAsString());                  } } Errors:  -java:17: error: cannot access Movie Movie m = null; -java:15: error: cannot access Movie Movie m = null; -java:29: error: cannot access Movie Movie m1 = null; -java:26: error: cannot access Movie Movie m1 = null; -java:16: error: cannot access Movie field = Movie.class.getDeclaredField(str); - java:13: error: cannot access Movie constructor = Movie.class.getConstructor(); -java:13: error: cannot access Movie constructor = Movie.class.getConstructor(String.class, int.class, boolean.class, String[].class); - java:12: error: cannot access Movie Method methodGetNumMinutes = Movie.class.getMethod("getNumMinutes"); -java:12: error: cannot access Movie Method methodSetNumMinutes = Movie.class.getMethod("setNumMinutes", int.class); - java:12: error: cannot access Movie Method replaceCastMember = Movie.class.getMethod("replaceCastMember", int.class, String.class);