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Java Switch Statements. Instead of writing many if..else statements, you can use the switch statement. The switch statement selects one of many code blocks to be executed:
Apr 9, 2024 · The switch statement in Java is a multi-way branch statement. In simple words, the Java switch statement executes one statement from multiple conditions. It is like an if-else-if ladder statement. It provides an easy way to dispatch execution to different parts of code based on the value of the expression.
Java Switch Statement. The Java switch statement executes one statement from multiple conditions. It is like if-else-if ladder statement. The switch statement works with byte, short, int, long, enum types, String and some wrapper types like Byte, Short, Int, and Long.
Example: Java switch Statement // Java Program to check the size // using the switch...case statement class Main { public static void main(String[] args) { int number = 44; String size; // switch statement to check size switch (number) { case 29: size = "Small"; break; case 42: size = "Medium"; break; // match the value of week case 44: size ...
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 ).
Jun 21, 2022 · You use the switch statement in Java to execute a particular code block when a certain condition is met. Here's what the syntax looks like: switch(expression) { case 1: // code block break; case 2: // code block break; case 3: // code block break; default: // code block }
Java switch statements can be used in place of if-else statements to write more cleaner and concise code. Java switch statements have evolved over time. In this tutorial, we will learn about basic switch statement features and new features in later versions of Java.
Like all expressions, switch expressions evaluate to a single value and can be used in statements. They may contain " case L -> " labels that eliminate the need for break statements to prevent fall through. You can use a yield statement to specify the value of a switch expression.
In Java SE 7 and later, you can use a String object in the switch statement's expression. The following code example displays the number of the month based on the value of the String named month.
Aug 4, 2021 · A switch statement provides a means of checking an expression against various case statements. If there is a match, the code within starts to execute. The break keyword can be used to terminate a case. There’s also an optional default statement marking code that executes if none of the case statements are true.
