Contains(“test”) can evaluate true or false depending on the message so it is not a constant thus cannot be used as a ‘case ‘ for switch statement.15 Kas 2011
Read moreCan switch-case contains string?
It is recommended to use String values in a switch statement if the data you are dealing with is also Strings . The expression in the switch cases must not be null else, a NullPointerException is thrown (Run-time). Comparison of Strings in switch statement is case sensitive.
Read moreCan characters be used in switch-case?
You can use char ‘s for the switch expression and cases as well .
Read moreWhich data type Cannot be used in switch Java?
The switch statement doesn’t accept arguments of type long, float, double,boolean or any object besides String .
Read moreCan we use contains in switch-case Java?
You can’t switch on conditions like x. contains() . Java 7 supports switch on Strings but not like you want it. Use if etc.
Read moreCan switch-case contain expression?
1) The expression used in switch must be integral type ( int, char and enum) . Any other type of expression is not allowed. 2) All the statements following a matching case execute until a break statement is reached.
Read moreDoes Kotlin have pattern matching?
In kotlin, pattern matching is the process of checking the datas whether it may be the specific sequence of the characters, tokens and even other data exists from among the other given datas the regular programming languages will make use of the regular expression like regex for pattern matching for to find and replace …
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