New features introduced in Java 1.7.

1. Underscores Between Digits in Numeric Literals.

int ten_million = 10_000_000;

2. Improved Type Inference for Generic Instance Creation using Diamond operator.

Map<String, List<String>> anagrams = new HashMap<String, List<String>>();

// The above statement can be rewritten using Java Diamond operator.

Map<String, List<String>> anagrams = new HashMap<>();

3. Handling multiple exceptions in a single catch block.

4. String in Switch Expression.

5. Try-with-resources Statement.

6. Integral Types as Binary Literals.

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