Syntax Comparison

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