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2 sie 2024 · To use switch statement in Java, you can use the following syntax: switch (expression) { case value1: // code to execute if expression equals value1 break; case value2: // code to execute if expression equals value2 break; // … more cases default: // code to execute if none of the above cases match}
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Syntax. switch (expression) { case x: // code block break; case y: // code block break; default: // code block } This is how it works: The switch expression is evaluated once. The value of the expression is compared with the values of each case. If there is a match, the associated block of code is executed.
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 ).
The switch statement allows us to execute a block of code among many alternatives. Syntax: switch (expression) { case value1: // code break; . case value2: // code break; . ... . default: // default statements . } How does the switch-case statement work? The expression is evaluated once and compared with the values of each case.
The switch statement works with byte, short, int, long, enum types, String and some wrapper types like Byte, Short, Int, and Long. Since Java 7, you can use strings in the switch statement. In other words, the switch statement tests the equality of a variable against multiple values.
10 lut 2020 · The Java switch statement provides a handy way to select a specific action based on the value of a given variable. From Java 12 the switch statement can even be used as an expression meaning it can return a value instead of only being able to perform an action.
Java switch Statements. Java switch statement is used when you have multiple possibilities for the if statement. The basic format of the switch statement is: Syntax: switch (variable) { case 1: //execute your code break; case n: //execute your code break; default: //execute your code break; }
