Hi so im trying to do this pig latin code in which the first letter is deleted from a words and sent to the end of the word while adding an "ay" to the end result. I have finished all my code in which it should output the right result except my problem is with actually outputting the code. I get an error message right after the user inputs the sentence.   Here is my code:  package piglatin;    import java.util.Scanner;    public class PigLatinTest {  public  static String str;  public static String[] words;   public static String[] printLatinWords()  {      System.out.println("Enter a Sentence: ");        Scanner scanner = new Scanner(System.in);        str = scanner.nextLine();        words = str.split(" ");        //System.out.println(words);        return words;  }   public static String[] printPigLatinWords()   {     for (int i = 0; i &lt; words.length; i++) {         char firstLetter = words[i].charAt(0);         words[i] = words[i].substring(1);         words[i] = words[i] + firstLetter + "ay";         //System.out.println(words[i]);         //If you want the words to be in the same line, then this could help                  instead of System.out.println:         System.out.print(words[i] + " ");     }     return words;   }  public static void main(String[] args)  {     words = printLatinWords(); }    }    /*    Enter a Sentence:      Hello from the other side       */
What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them?  What methods/tools can be used to determine the cause so that you stop the exception from causing the program to terminate prematurely?
Check and fix SD card errors within Android itself? I have been asked by a client to implement some views for reporting purposes, the views will be accessed via PowerBI, Excel and SSRS. The designated user will only have access to the view and no underlying tables must be available to the user.  The problem I have encountered in that the SQL within the view touches 3 different schemas (All within the same database):   Pupil Provider  Security   The view is:  CREATE VIEW dbo.vTestPermissions AS SELECT a.Column1,        b.Column1,        c.Column1 FROM Pupil.Table1 a JOIN Provider.Table2 b ON a.Column1 = b.Column1 JOIN Security.Table3 c ON a.Column1 = c.Column1   The owners of the Tables/View are as follows:   Pupil.Table1 - Owner Pupil Provider.Table2 - Owner Provider Security.Table3 - Owner Security vTestPermissions - Owner dbo   When I select from the view I get an error:     The SELECT permission was denied on the object 'table3', database   'TEST', schema 'Security'   I have tried giving SELECT permission with and without the GRANT option to the schema, and the tables, but that makes the underlying tables available to the user.  Any help on this will be greatly appreciated. In general, in most places, it is said that using TeX defaults is the best. However, TeX does provide things like \, and \quad etc. When one should use them? Both in general and in math mode in particular. right (opposite of left) connected to right (legal term)? Why use sucrose rather than glucose in an injectable vaccine? These are the ingredients of :  Medicinal:  mRNA  Non-medicinal:  ALC-0315 = ((4-hydroxybutyl)azanediyl)bis(hexane-6,1-diyl)bis(2-hexyldecanoate) ALC-0159 = 2-[(polyethylene glycol)-2000]-N,N-ditetradecylacetamide 1,2-Distearoyl-sn-glycero-3-phosphocholine cholesterol dibasic sodium phosphate dihydrate monobasic potassium phosphate potassium chloride sodium chloride sucrose water for injection   Sucrose is broken up into glucose and fructose by digestion, and so it normally never enters the blood system. Yet here, it is being directly injected into the body. What happens to this sucrose when it enters the blood system, and why choose sucrose rather than the more standard glucose (dextrose)? Bjarne Stroustrup once mentioned in one of his bigthink interviews that one of the greatest problems most programmers have is not finding or using the right libraries.  On stackoverflow and programmers, I've observed a trend towards questions like "I want to do this, is there a [library | programming language] for that", or "I have these {n} [library | language] candidates for my project; which one would yield me the least amount of headache given these requirements".   Since questions like these aren't exactly programming questions in the sense of "this code should do this, but it does this, why?", they are often (though not always) being closed as "not constructive" because they do not have a definite answer (which is true, and according to the FAQ they would be off-topic on both stackoverflow and programmers).  Nonetheless, I think library questions are valid, and that it is helpful for any programmer to receive independent input from experienced programmers (at least it helps me a lot every time I browse through one of those closed questions, which I found through google). Does anyone agree that posting library choice questions should be explicitly allowed on either stackoverflow or programmers? How does Router know where to forward packet NRPE unable to read output, but why? Determining likely relationship based upon autosomal DNA shared cM My code:  a = '2.3'   I wanted to display a as a floating point value.  Since a is a string, I tried:  float(a)   The result I got was :  2.2999999999999998   I want a solution for this problem. Please, kindly help me.  I was following . Why hash the message before signing it with RSA? How can I modify the advanced search form when my hook runs too early? I want every new user from now on to have bash as their shell by default.    I know that to change your own shell to bash, you would use the command "chsh -s /bin/bash", but how do I automatically set all future users' shell to bash by default? How to search entire hard drive for a file? Does anybody know how to move the keyboard caret in a textbox to a particular position?  For example, if a text-box (e.g. input element, not text-area) has 50 characters in it and I want to position the caret before character 20, how would I go about it?  This is in differentiation from this question:  , which requires jQuery. Make all new files in a directory accessible to a group Suppose I have two users Alice and Bob and a group GROUPNAME and a folder foo, both users are members of GROUPNAME (using Linux and ext3).   If I save as user Alice a file under foo, the permissions are: -rw-r--r-- Alice Alice. However, is it possible to achieve that every file saved under some subdirectory of foo has permissions -rwxrwx--- Alice GROUPNAME (i.e. owner Alice, group GROUPNAME)? How to add a Timeout to Console.ReadLine()? Identifying a resistor with a weird band combination Number of ways to connect sets of $k$ dots in a perfect $n$-gon Proving that $A+A \not\subset 2A $ using a particular definition for sum of sets Let $X$ de a vector space and $A\subset X$. If we define $A+B :=\{a+b|a\in A, b\in B\}$ I am trying to show that    $$ \begin{equation} 2A \subsetneq A+A, \end{equation} $$  i.e., it might happen that $2A \neq A+A$. I was able to show that $2A \subset A+A$, but I am not able to come up with a counterexample to show that the converse is not necessarily true. If I assume $A+A\subset 2A$ and let $x\in(A+A)$, then by its definition we have $x=a_1 + a_2$ for some $a_1,a_2\in A$ I guess I could naively say that $a_1+a_2 = 2(a'_1+a'_2)$ where $a_i=a_i/2$ for $i=1,2$ and I guess $(a'_1+a'_2)$ might not be an element of $A$ in some concrete case but I am not able to come up with anything and I've spent more time than I would like to admit. Any suggestions?  Thank you.