69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
/*
|
|
* Copyright (c) 2018, 2019, 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
|
|
* @compile ExpressionSwitchCodeFromJLS.java
|
|
* @run main 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);
|
|
}
|
|
}
|