Java Quick Reference - Language Fundamentals

Language Fundamentals

Operators and Assignments

Flow Control and Exceptions

Declarations and Access Control

Garbage Collection

Overloading and Overriding

Threads

The java.lang Package

The java.util Package

The java.awt Package

The java.io Package

References

Miscellaneous Notes

Tips & Traps

Mock Exams

Language Fundamentals - Keywords

Keyword type	Keywords
Primitive types	boolean, byte, char, double, float, int, long, short
Access modifiers	public, private, protected
Special modifiers	abstract, final, native, static, strictfp, synchronized, transient, volatile
Control flow	if, else, do, while, switch, case, default, for, break, continue
OOP specific	class, extends, implements, import, instanceof, interface, new, package, super, this
Exception handling	catch, finally, try, throw, throws
Method specific	return, void
Unused *	const, goto

* Note

const and goto are not used in Java however they are reserved as keywords.
true and false are Boolean Literals; null is a null Literal. They cannot be used as identifiers.

Java keywords are always lowercase; you can immeadiately eliminate any capitalized words appearing in a question listing possible keywords

main listed as a possible keyword
capitalized words listed as possible keywords; particularly wrapper classes Integer, Boolean, etc
C/C++ keywords listed as possible Java keywords