- multi-branch selection statement when the switch statement, switch expression result in hits that case, the case on the implementation of sub-item, with no break statement, continue down the case if the child.
Namely: in the first printing hello default position inside the switch, followed by printing the third external case2
2. The three descending order number
3. greatest common divisor of two numbers seeking
4 determines whether or not a leap year is
5. find prime numbers between 100-200
