Questions tagged [unreachable-code]

Unreachable code is part of the source code of a program which can never be executed because there exists no control flow path to the code from the rest of the program.

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Why this code is showing "unreachable code" error?? And how can I fix it?

public class Array { public static void main(String[] args) { int[] arr= {5,6,9,-5,-2,4,-3,1,-1}; int i=0; int n=arr.length; int j=n-1; while(true) while(arr[i]>0 && i
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Unreachable code from if-statement about String checks

For some reason I get an error that the line currentUser = gar.getAccount(userN); is unreachable and yet it shouldn't be. Garage.getAccount() is just a retrieval from a Hashmap. Both if statements don't counter each other and I've tried adding else…
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Exception Class declared but not thrown

Here test is not throwing an Exception object , yet i had handled it . Since Exception is an checked exception shouldn't it throw a compiler error of unreachable code in the catch block class Ece extends Exception {} public class Excep { public…
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Why is this unreachable code?

Got a practice question, and I have the below code: while (false) { x=3; } The x=3 is unreachable code, and I don't really understand why. There is a similar section of code: if (false) { x=3; } which is perfectly valid. May be a bit of a noob…
Sam
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Java 8 Unreachable Code

I am fairly new to Java and I ran into this problem once or twice in one of my books. This is a super simple program and I just don't understand why it's not working. I know when you use return, anything after it in the method is meaningless. So…
killerx615
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Unreachable Statement with this boolean

I'm getting an unreachable statement error with this boolean declaration. I know unreachable usually means meaningless, but I need the isValid statement for my while loop to work. Why am I getting this error and how can I fix it? Here is my…
tonno5309
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Unreachable Code - return startId;

I'm attempting to add some functionality to my source code to log the fact at least one phone call has been made before I execute the rest of my code (which collects total amount of wifi and cell data usage and sends it via sms) however when I added…
user2528574
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Why i get error "unreachable code" when i try to put an if in my function?

When i insert "if (descriptions >= 0.4){zien()} then it gets red underlined with error "unreachable code". Why is that?? function loadLabeledImages() { const labels = ['Simon', 'Thomas']; return Promise.all( labels.map(async (label) => { …
user17489239
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Catch block avoid Compilation Error?

I have the following codes, and it is giving me a compilation error. // Program1 -- Compilation error public class ExceptionExample { public static void main(String[] a) { try { method(); } catch (ClassCastException…
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Unreachable code when I'm already calling it

I have to do some kind of Google Maps like program on Java, I have the following code: public double CGlon(double graus, double min, double sec) { double min2; graus =(int) longitud; min = (longitud - graus)*60; …
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Unreachable code detected in Switch

I am using a switch and get a warning that code is unreachable. If control goes to case 2 or 3, something will get execute then what is the issue?
user3180869
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Unreachable Code - Anything put inside if statement

I've searched this question here before asking and all of the answers seem to be people putting code after return break or others. I am having an issue where no matter what I put in an if statement, the code reads that it is unreachable. private…
mkamin15
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Unreachable Code Java Compilation Error

I have searched many topics for my problem, read a lot... but they were not exactly as mine. I'm getting the "Unreachable Code" compilation error from Eclipse IDE. I don't understand why my code is unreachable! It is simple though! Here it…
MiDOZ
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Unreachable code ; i dont understand why it is unreachable

import java.util.Scanner; public class start { public static void main(String[] args) { System.out.println("time to pick a name! type in your desired option"); System.out.println("1: Harry"); System.out.println("2:…
Caitlin Craik
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Unreachable code

public void onClick(View v) { String uname=tv1.getText().toString(); String pass=tv2.getText().toString(); //String copmare=uname.concat(pass); Cursor cur = db.query("accountTable", // Where are we looking? new String[]{…
irfan
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