Problem 2.1: How many test conditions can an if-statement check? [Solution]

Problem 2.2: When should you use an else statement? [Solution]

Problem 2.3: When are braces necessary for if/else-statements? [Solution]

Problem 2.4: What does the default keyword in a switch-statement tell the program? [Solution]

Problem 2.5: When would you use a while-loop instead of a for-loop? [Solution]