// immutable
// constant
// final

final int i = 4;
i = 5;

// literal (static)
final String s = "abc";
s.setCharAt(1, 'x');	// nonexistant for String

MyObj myObj = new MyObj();
myObj.manipulate();		// valid
myObj = new MyObj();	// valid

final MyObj myObj2 = new MyObj();
myObj2.manipulate();	// still valid
myObj2 = new MyObj();	// INvalid


e.g. in C++ :  int const * const

int*   int&



enum MyEnum {
	E1(),
	E2("abc"),
	E3(4);

	int field1;
	String field1;

	MyEnum() { ... }
	MyEnum(String s) { ... }
	MyEnum(int i) { ... }

}



MyEnum enumInst = null;


javac X.java
java X
java X.java


	void g()
	{
		try {
			while (true) {
				f();
			}
		} catch (Error e) {
			System.out.println("BIIIIIIG PROBLEM");
		}
	}


	void f() {
		FileReader fr = null;
		try {
			fr = new FileReader(...);
			// use it
		} finally {
			// close it
			if (fr != null) {
				fr.close();
			}
		}
	}

	// try-with-resources
	void f() {
		try (
			FileReader fr = new FileReader(...);
			FileReader fr2 = new FileReader(...);
			FileReader fr3 = new FileReader(...);
			Scanner fr3 = new Scanner(...);
		) {
			// use it
		}
	}


class MyResource implements AutoCloseable
{
	public void close() extends Exception {
	}
}