Java 7 Features

1. Binary Literals
2. Underscores in Numeric Literals
3. String in switch Statements
4. Diamond operator(<>) (Type Inference for Generic Instance Creation)
5. Improved Compiler Warnings and Errors When Using Non-Reifiable Formal Parameters with Varargs Methods
6. The try-with-resources statement
7. Catching Multiple Exception Types and Re throwing Exceptions with Improved Type Checking