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Expanded Statements section
====Flow control====
====Flow control====
Flow control statements include loop constructs, goto statements, function calls, switch/case statements, and others. goto is provided in most languages, but its use is almost universally frowned upon, since it makes program maintenance more difficult.
Flow control statements include loop constructs, goto statements, function calls, switch/case statements, conditional statements (if-then-else), exit statements, and others. goto is provided in most languages, but its use is almost universally frowned upon, since it makes program maintenance more difficult.
====Assignment====
====Assignment====
====I/O====
====I/O====
I/O statements concern reading input from the user, or files, or devices, and writing output to them.
I/O statements concern reading input from the user, or files, or devices, and writing output to them.
====Declaration====
Declaration statements allow the programmer to specify variable names, labels, array dimensions, and data types including structure layout and class definitions.
====Other====
Some statements perform functions that do not fit under the above types. These vary widely by language. For instance, the [[BASIC programming language]] has the DATA statement which allows raw data to be included in the source.
===Operators===
===Operators===