Why my if else statement (i.e. ? : ) does not work?

Question

I\'m new to Java and is trying to learn the concept of shorthanded if-else statement.

I have came up with the code below. However, the code wouldn\'t c

Answer 1

The ternary expression

condition ? when-true : when-false

is an expression, not a statement, so can't be used where a statement is required.

You can write this as:

msi1.put(s1, (i1 == null) ? i1 : i1 + 1);

because this is a statement.