The switch Statement
In this lesson, we will introduce the Java switch statement that provides a clear way to define a multiway decision.
We'll cover the following
What is a switch
statement?
We can use a switch
statement when a decision depends on the value of an expression. This value’s data type must be either
char
- An integer type such as
int
- An enumeration, or
- A string
Example 1
For example, if the int
variable dayNumber
has a value ranging from 1 to 7 to indicate one of the days Sunday through Saturday, we need not use an if-else
statement to produce the day of the week as a string. Instead, we can use the following switch
statement:
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