/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8206986

 * @summary Check switch expressions

 * @run main/othervm --enable-preview ExpressionSwitchCodeFromJLS

 */

public class ExpressionSwitchCodeFromJLS {

    static void howMany(int k) {

        switch (k) {

            case 1: System.out.print("one ");

            case 2: System.out.print("too ");

            case 3: System.out.println("many");

        }

    }

    static void howManyRule(int k) {

        switch (k) {

            case 1 -> System.out.println("one");

            case 2 -> System.out.println("two");

            case 3 -> System.out.println("many");

        }

    }

    static void howManyGroup(int k) {

        switch (k) {

            case 1: System.out.println("one");

                break;  // exit the switch

            case 2: System.out.println("two");

                break;  // exit the switch

            case 3: System.out.println("many");

                break;  // not needed, but good style

        }

    }

    public static void main(String[] args) {

        howMany(3);

        howMany(2);

        howMany(1);

        howManyRule(1);

        howManyRule(2);

        howManyRule(3);

        howManyGroup(1);

        howManyGroup(2);

        howManyGroup(3);

    }

}