Syntax Comparison

Students

This is a comparison of the syntax of some popular programming languages, including Scala which we will be using on 5CS004. Where you see the word "TODO", please collaborate to fill in the blank parts of the tables. We will be adding to this page as the module progresses.

Useful language references

• PHP 5
• Scala
• Java 6
• Python 2.7

Basics

	PHP	Java	Scala	Python
Single line comment	// comment	// comment	// comment	# comment
Multi-line comment	/* comment */	/* comment */	/* comment */	Doesn't have multi-line comments.
Null object	NULL	null	TODO	None
+,-,*,/,%,*	+,-,*,/,%,*	+,-,*,/,%,*	+,-,*,/,%,*	+,-,*,/,%,*
True and false	TRUE, FALSE	true, false	TODO	True, False
Boolean operators	&&, ||, !	&&, ||, !	TODO	and, or, not
Relational operators	<, >, <=, >=, ==, !=	<, >, <=, >=, ==, !=	<, >, <=, >=, ==, !=	<, >, <=, >=, ==, !=

Selection

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO

Iteration

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO

Compound types (arrays, lists, etc)

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO

Input / output

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO

Exception handling

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO

Dealing with types

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO

Classes, objects, methods, etc

	PHP	Java	Scala	Python
TODO	TODO	TODO	TODO	TODO