Why is my return statement unreachable?
What Is Unreachable Code? An unreachable code return statement is typically a sign of a logical error within the program. Although there are several reasons why you end up with such a statement, in all cases, unreachable code is redundant, clutters your program, and should be avoided at all costs.
How do you fix an unreachable statement?
If you want your print to go through, you should move it above the return statement. If you keep any statements after the return statement those statements are unreachable statements by the controller. By using return statement we are telling control should go back to its caller explicitly .
Which kind of error is indicated by the statement code not reachable infinite loop?
Unreachable code error occurs when the code can’t be compiled due to a variety of reasons, some of which include: infinite loop, return statement before the unreachable line of code.
Can we write any code after throw statement?
No, we can not place any code after throw statement, it leads to compile time error Unreachable Statement.
Does unreachable code compile?
Unreachable code in java is a compile time error. In this example, Line 14 gives compile time error : Unreachable Code. Because this statement can not be reached in any of the flows. If boolean “b” is true, then if block will be executed and control will be returned.
What is the unreachable statement error?
An unreachable Statement is an error raised as part of compilation when the Java compiler detects code that is never executed as part of the execution of the program. Such code is obsolete, unnecessary and therefore it should be avoided by the developer.
What happens after throw exception?
When an exception is thrown using the throw keyword, the flow of execution of the program is stopped and the control is transferred to the nearest enclosing try-catch block that matches the type of exception thrown. If no such match is found, the default exception handler terminates the program.
What happens when a throw statement is executed?
In C++ throw; when executed inside a catch block rethrows the currently caught exception outside the block. Throwing a pointer or a value doesn’t make any difference so it’s out of the question.
What does it mean to have unreachable statement in Java?
The Unreachable statements refers to statements that won’t get executed during the execution of the program are called Unreachable Statements. These statements might be unreachable because of the following reasons: Have a return statement before them: When a return statement gets executed, then that function execution gets stopped right there.
How does ng-repeat work in AngularJS?
In AngularJS, directives like ng-repeat keep track of all the elements to minimize the DOM creation. It does that by storing the object instance when a new element is added to the collection. Angular does not re-render the entire element set; it just renders the new element.
What happens if you disable JavaScript in AngularJS?
If end-user disables JavaScript, AngularJS will not work. It is a JavaScript-based framework, so it is not safe to authenticate the user through AngularJS only. The browsers on old computers and mobiles are not capable or take a little more time to render pages of application and websites designed using the framework.
What are the most common interview questions for AngularJS?
A list of top frequently asked AngularJS interview questions and answers are given below. 1) What is AngularJS? AngularJS is an open-source JavaScript framework used to build rich and extensible web applications. It is developed by Google and follows the MVC (Model View Controller) pattern.