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switch Statement
• switch is another control structure to implements multiway branches
• Use switch expression (integer expression) to determine which branch to be executed
• Use break statement to jump to the next statement after the switch statement
Before Java 7:
The type of the Expression must be char, byte, short, int. you can’t use String.
https://stackoverflow.com/questions/5198671/does-the-switch-statement-in-java-only-work-with-
integers
After Java 7: you can use String in switch
