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When to use ternary operator?

It is possible to replace multiple lines of code with a single line of code using ternary operator. It makes your code more readable. However, don't over do it. For example, You can replace the following code


\begin{lstlisting} if (expression1) { result = 1; } else if (expression2) { re... ... } else if (expression3) { result = 3; } else { result = 0; } \end{lstlisting}

with


\begin{lstlisting} result = (expression1) ? 1 : (expression2) ? 2 : (expression3) ? 3 : 0; \end{lstlisting}