Why is the break statement unreachable?
Why is the break statement unreachable?
After break 1(a) is compiled, line 12 raises an unreachable statement error because the break statement exits the for loop and the successive statement cannot be executed.
What is unreachable code in JavaScript?
The JavaScript warning “unreachable code after return statement” occurs when using an expression after a return statement, or when using a semicolon-less return statement but including an expression directly after.
What does unreachable code mean in C#?
is never executed
Unreachable code is a program code fragment which is never executed. Don’t mix it up with dead code which is, unlike unreachable code, a code fragment that can be executed but whose result is never used in any other computation. Presence of unreachable code in a program is determined by a number of factors.
What does unreachable code mean in eclipse?
means that the code at line 24 will never be reached. Here is an example of unreachable code: public void doSomething() { if (true) { return; } // All code below here is considered unreachable code doSomething() }
In which type of testing unreachable code would best be found?
Code review is a software quality assurance activity in which one or several humans check a program mainly by viewing and reading parts of its source code, and they do so after implementation or as an interruption of implementation.
What is unreachable code example?
Unreachable code is an atom or sequence of atoms which cannot be executed because there is no way for the flow of control to reach that sequence of atoms. For example, in the following atom sequence the MUL, SUB, and ADD atoms will never be executed because of the unconditional jump preceding them.
What is unreachable code in testing?
What is unreachable code? Unreachable code, a part of the source code that will never be executed due to inappropriate exit points/control flow. The other kind of unreachable code is referred as dead code, although dead code might get executed but has no effect on the functionality of the system.
What is reachable & non reachable code?
Legacy code. Code superseded by another implementation. Unreachable code that a programmer decided not to delete because it is mingled with reachable code. Potentially reachable code that current use cases never need. Dormant code that is kept intentionally in case it is needed later.
What is unreachable code in exception handling?
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.
How do I get an unreachable code?
While some simple cases of unreachable code can be detected by static analysis (typically if a condition in an if statement can be determined to be always true or false), most cases of unreachable code can only be detected by performing coverage analysis in testing, with the caveat that code reported as not being …