Faster Smarter Beginning Programming

Key Points

• Operators are symbols that tell Visual Basic .NET to perform some action on one or two operands.

• Expressions are combinations of variables, properties, literals, constants, and operators that the program will evaluate as it runs.

• Arithmetic operators perform mathematical operations on one or two numbers.

• The assignment operator copies the value of an expression into a variable or property.

• Comparison operators return True or False depending on the relative values of two expressions.

• Concatenation operators join two expressions as strings. The ampersand (&) operator is preferable to the plus (+) sign as a concatenation operator because the ampersand can’t accidentally perform arithmetic.

• Logical operators manipulate the results of one or two ...