No. It’s not possible because a case must be a constant expression.
Read moreHow do you write a switch case?
A general syntax of how switch-case is implemented in a ‘C’ program is as follows: switch( expression ) { case value-1: Block-1; Break; case value-2: Block-2; Break; case value-n: Block-n; Break; default: Block-1; Break; } Statement-x; The expression can be integer expression or a character expression.
Read moreWhat is the syntax of switch statement?
A typical syntax involves: the first select , followed by an expression which is often referred to as the control expression or control variable of the switch statement. subsequent lines defining the actual cases (the values), with corresponding sequences of statements for execution when a match occurs.
Read moreWhat is a switch expression Java?
Advertisements. A switch statement allows a variable to be tested for equality against a list of values . Each value is called a case, and the variable being switched on is checked for each case.
Read moreWhich of the following is correct about switch expression in Java?
switch statement is more efficient than a set of nested ifs . two case constants in the same switch can have identical values. switch statement can only test for equality, whereas if statement can evaluate any type of boolean expression. it is possible to create a nested switch statements.
Read moreWhich Java version allows pattern matching in switch?
The Java SE 17 release introduces pattern matching for switch expressions and statements (JEP 406) as a preview feature. Pattern matching provides us more flexibility when defining conditions for switch cases.28 Eki 2021
Read moreWhat data types are required for a switch variable in Java 8?
A switch works with the byte , short , char , and int primitive data types. It also works with enumerated types (discussed in Enum Types), the String class, and a few special classes that wrap certain primitive types: Character , Byte , Short , and Integer (discussed in Numbers and Strings).
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