Java commands

Gets the computer to repeat some statements over and over again (for example, a certain number of times).

• if

• switch

• while

• for

Indicates that a value is a 32-bit number with one or more digits after the decimal point.

Tests to see whether a condition is true. If it’s true, the computer executes certain statements; otherwise, the computer executes other statements.

• for

• else if

• while

• if

Indicates that a value is a 32-bit whole number.

Reuses the functionality from a previously defined interface.

• implements

• import

• return

• def

Enables the programmer to abbreviate the names of classes defined in a package.

• new

• class

• import

• println

Indicates that a variable’s value cannot be changed, that a class’s functionality cannot be extended, or that a method cannot be overridden.

• final

• void

• public

• printf