Data types used in switch case in java
WebFeb 24, 2024 · What are the types of switch statements in Java? 1 byte 2 short 3 int 4 long 5 char 6 String (only Java version 7 and above) 7 Byte 8 Short 9 Integer 10 Long 11 Enum What kind of data types does a switch work with? A switch works with the byte, short, char, and int primitive data types. WebMar 24, 2015 · Firstly, several hundred lines of switch-case needs immediate refactoring (just for being that long). Secondly, you can use if-else instead, if value is not known at …
Data types used in switch case in java
Did you know?
WebMar 24, 2015 · I have a switch statement, and one of the cases in switch statement performs a certain action when it detects a variable: case variableSymbol: if (expression.length () == 1) { rangeResult = x1; break outer; } varFlag = true; varPos = expresPos; break; WebThe 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 …
WebAug 29, 2015 · private static void mainMenu () { int option=0;//initializing it so that it enters the while loop for the 1st time while (option!=4) { option = getOptionFromUser (); switch (option) { case 1: addRecord (); break; case 2: deleteRecord (); break; case 3: updateRecord (); break; case 4: System.out.print ("While Loop Terminated"); break; } } // … WebAug 1, 2012 · A switch works with the byte, short, char, and int primitive data types. It also works with enumerated types (discussed in Classes and Inheritance) and a few special classes that "wrap" certain primitive types: Character, Byte, Short, and Integer (discussed in Simple Data Objects ). java Share Improve this question Follow
WebFeb 17, 2015 · switch (itemNo) { case 1: double oneTotal = 2.98 * userQuantity; return oneTotal; case 2: double twoTotal = 4.50 * userQuantity; return twoTotal; case 3: double threeTotal = 9.98 * userQuantity; return threeTotal; case 4: double fourTotal = 4.49 * userQuantity; return fourTotal; case 5: double fiveTotal = 6.87 * userQuantity; return … WebApr 20, 2012 · Java (before version 7) does not support String in switch/case. But you can achieve the desired result by using an enum.
WebNote: The Java switch statement only works with: Primitive data types: byte, short, char, and int Enumerated types String Class Wrapper Classes: Character, Byte, Short, and …
WebApr 3, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. dallas mavericks head coachesWebA switch works with the byte, short, char, and int primitive data types. It also works with enumerated types (discussed in Classes and Inheritance) and a few special classes that … dallas mavericks head coach 2022birch realty michiganWebApr 9, 2014 · 3 Answers. The Java Language Specification states that, for a switch statement's Expression: The type of the Expression must be char, byte, short, int, … birch realty nhWebFeb 16, 2012 · Always use a switch when you have at least 2 options to differentiate between, when the data type is usable for a switch and when all options have constant … birch real wood floorWebApr 11, 2024 · A switch-type expression has certain rules while being declared in Java. It can only be a literal or a constant value. This means you cannot use variables as switch … dallas mavericks home gameWebSwitch case statement is used when we have number of options (or choices) and we may need to perform a different task for each choice. The syntax of Switch case statement looks like this –. switch (variable or an … birch realty mn