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question from SCWCD mock test

shivam singhal
Ranch Hand

Joined: Jul 15, 2012
Posts: 215

<html>
<body>
Result is ${"2" > 3}
</body>
</html>


a. Result is true
b. Result is false


correct ans is :: b

how can we compare a string literal with a number??
can EL automatically convert string into number??
gurpeet singh
Ranch Hand

Joined: Apr 04, 2012
Posts: 924
    
    1

hi ,

yes el treates "2" as integer for the comparison. you should keep few things in mind when you come across such questions

1. EL is not java.

2 el is forgiving. it will coerce the operands to fit into the context of operators.

there are vastly different number of combinations of such expressions possible in EL . the best way to do is to make a small program and play with such expressions. cook your own expression , see the results and then analyse it.

regards
Gurpreet
shivam singhal
Ranch Hand

Joined: Jul 15, 2012
Posts: 215

thanks gurpeet ..
 
jQuery in Action, 2nd edition
 
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