Conditionals and Introduction to Methods

New Terminology

Defensive programming

A programming strategy that assumes that something can go wrong, no matter how careful we are.

Scope

In programming, the extent to which a variable or method is visible to users of that variable or method.

Programming specific structures and terms

nested if

An if/else statement that is inside another if/else structure.

cascading if

An if/else series that provides one true based on a series of conditions.

range

Using a boolean expression to test for a range of values (from loval to hival)

switch

A decision structure consisting of an expression and then a list of possible values for that expression with the action to take if the value matches.

break

A statement that causes execution to resume following the structure in which it is found.

scope

In Java, block scope is the norm for all variables.

Class notes

1. Homework review - think, pair, share any that you still have trouble with.
2. Review for Wednesday, what are you ok with?  What do you specifically want to review?
3. Lab Review - MakingCircles.java and Circle.java
4. Review of Logical Operators and Nested ifs 
   1. nested if (cascade) - TestResults.java
   2. nested if (one branch) - LoanQualifier.java
   3. logical AND - LogicalAnd.java
   4. logical OR - LogicalOr.java
   5. comparing characters and Strings - StringCompare.java
5. Switch statement - SwitchDemo.java
6. An intro to scope - VariableScope.java and Circle.java