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14 lis 2012 · What you want is a method you'll call: private String which(int n) {. switch (n) {. case 1 : return "thumb"; case 2 : return "show"; case 3 : return "knee"; case 4 : return "door"; case 5 : return "hive"; case 6 : return "sticks";
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.
22 lis 2014 · One easy option is to declare a Boolean variable and wrap the switch in a while loop e.g. Boolean quit = false; while (!quit) //or do-while { int opt = menu(); switch(opt) { //other cases...
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.
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}
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).
29 mar 2020 · This article helps you understand and use the switch case construct in Java with code examples. The switch-case construct is a flow control structure that tests value of a variable against a list of values.
