// housekeeping/TypeInference.java

// (c)2021 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// {NewFeature} Since JDK 11

class Plumbus {}

public class TypeInference {

void method() {

// Explicit type:

String hello1 = "Hello";

// Type inference:

var hello = "Hello!";

// Works for user-defined types:

Plumbus pb1 = new Plumbus();

var pb2 = new Plumbus();

}

// Also works for static methods:

static void staticMethod() {

var hello = "Hello!";

var pb2 = new Plumbus();

}

}

class NoInference {

String field1 = "Field initialization";

// var field2 = "Can't do this";

// void method() {

// var noInitializer; // No inference data

// var aNull = null; // No inference data

// }

// var inferReturnType() {

// return "Can't infer return type";

// }

}