// Before: Map<String, List<String>> map = new HashMap<String, List<String>>(); Map<String, List<String>> map = new HashMap<>(); // Diamond Strings in switch String day = "MONDAY"; switch (day) case "MONDAY": System.out.println(1); break; case "TUESDAY": System.out.println(2); break; default: System.out.println(0);
int million = 1_000_000; long creditCard = 1234_5678_9012_3456L; Binary Literals int mask = 0b1010_0101; // prefix 0b or 0B 2. New File I/O (NIO.2) – java.nio.file Replaced legacy File class. java 7
For parallel processing (divide and conquer). // Before: Map<
