PRG/420: Java Programming - 3 LABS

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(LAB 1) Smallest Number

Write a program whose inputs are three integers, and whose output is the smallest of the three values.

Ex: If the input is: 7 15 3

the output is: 3


(LAB 2) Interstate Highway Numbers

Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, I-405 services I-5, and I-290 services I-90.


Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west.

Ex: If the input is:  90 

the output is:  I-90 is primary, going east/west. 

Ex: If the input is:  290 

the output is:  I-290 is auxiliary, serving I-90, going east/west. 

Ex: If the input is: 0  or any number not between 1 and 999 

the output is:0 is not a valid interstate highway number.


(LAB 3) Seasons

Write a program that takes a date as input and outputs the date's season. The input is a string to represent the month and an int to represent the day.

Ex: If the input is:  April 11 

the output is:  Spring 

In addition, check if the string and int are valid (an actual month and day).

Ex: If the input is: Blue 65 

the output is:  Invalid 


The dates for each season are:
Spring: March 20 - June 20
Summer: June 21 - September 21
Autumn: September 22 - December 20
Winter: December 21 - March 19

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