Core Java Reference Card

CoreJavaRefCard This reference card is a PDF document (only 10 pages) that gives you an overview of key aspects of the Java programming language. It summarizes the following content:

Java keywords
Standard Java pacakges
Operator Precedence
Lambda Expressions
Collections & Common Algorithms
Character Escape Sequences
Formatted Output with printf()
Formatted Output with MessageFormat
Regular Expressions
Logging (Java logging)
Property Files
JAR utility options
Common JAVA and JAVAC options

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About the Author:

Nam Ha Minh is certified Java programmer (SCJP and SCWCD). He began programming with Java back in the days of Java 1.4 and has been passionate about it ever since. You can connect with him on Facebook and watch his Java videos on YouTube.