(2) get all the quotes by an author entered by the user if they exist, (3) get all the quotes containing a search phrase entered by the user,

when I try to hit 2 I get this error :

Exception in thread "main" java.lang.NullPointerException

at quotes.ReadQuotes.main(ReadQuotes.java:53)

Enter an author name :C:\Users\user\AppData\Local\NetBeans\Cache\8.2rc\executor-snippets un.xml:53: Java returned: 1

BUILD FAILED (total time: 1,395 minutes 41 seconds)

The next error I get is when I click 3

Exception in thread "main" java.lang.NullPointerException

Enter a pharse : at quotes.ReadQuotes.main(ReadQuotes.java:63)

C:\Users\user\AppData\Local\NetBeans\Cache\8.2rc\executor-snippets un.xml:53: Java returned: 1

BUILD FAILED (total time: 3 seconds)

heres my code,

import java.io.*;

import java.util.*;

public class ReadQuotes { public static void main(String args[]) {

int choice; String author;

Console c=System.console();System.out.println("Random Quote is :");

randQuote();

while(true) {

System.out.println("Menu"); System.out.println("******************* "); System.out.println("(1) get another random quote "); System.out.println("(2) get all the quotes by an author entered by the user if they exist"); System.out.println("(3) get all the quotes containing a search phrase entered by the user");

System.out.println("(4) exit.");

//creating object of the Scanner class

Scanner sc = new Scanner(System.in);

//reading input from the user

System.out.print("Enter a number ( 1 - 4 ):");

choice = sc.nextInt();

else if (choice == 2)

{

System.out.print("Enter an author name :");

author = c.readLine();

System.out.println("Quote by Author : "+author);

// Calling getQuotebyAuthor() to genearte display quote by author name

getQuotebyAuthor(author);

//c.close();

}

else if (choice == 3)

{

System.out.print("Enter a pharse :");

String pharse = c.readLine();

System.out.println("Quote by pharse : "+pharse);

// Calling getQuotebyAuthor() to genearte display quote by pharse

getQuotebyPharse(pharse);

}

else if (choice == 4)

{

System.out.println("exit");

break;

}

else

{

System.out.println("Invalid Option..");

}

}

}

// getQuotebyAuthor() definition

static void getQuotebyAuthor(String author)

{

try

{

//file to be opened in reading mode

FileInputStream fs=new FileInputStream("quotes.txt");

Scanner sc=new Scanner(fs);

//Iterates each line upto end of the line

while(sc.hasNextLine())

{

String line = sc.nextLine();

// using contains()

boolean result = line.contains(author);

if(result) {

System.out.println(line);

}

}

//closes the scanner object

sc.close();

}

catch(IOException e)

{

e.printStackTrace();

}

}

// getQuotebyPharse() definition

static void getQuotebyPharse(String pharse)

{

try

{

//file to be opened in reading mode

FileInputStream fs=new FileInputStream("quotes.txt");

Scanner sc=new Scanner(fs);

//Iterates each line upto end of the line

while(sc.hasNextLine())

{

String line = sc.nextLine();

// using contains()

boolean result = line.contains(pharse);

if(result) {

System.out.println(line);

}

}

//closes the scanner object

sc.close();

}

catch(IOException e)

{

e.printStackTrace();

}

}

}