68 lines
2.1 KiB
Java
68 lines
2.1 KiB
Java
/*
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* Copyright (c) 2019, Red Hat Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import jdk.test.lib.apps.LingeredApp;
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public class LingeredAppWithRecComputation extends LingeredApp {
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public static final String THREAD_NAME = "LingeredAppWithRecComputation.factorial()";
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private long factorial(int n) {
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if (n <= 1) {
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return 1;
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}
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if (n == 2) {
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return 2;
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}
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return n * factorial(n - 1);
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}
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public void testLoop() {
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long result = 0;
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long[] lastNResults = new long[20];
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int i = 0;
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int j = 0;
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while (true) {
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result = factorial(i);
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lastNResults[j] = result;
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if (i % 12 == 0) {
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i = -1; // reset i
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}
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if (j % 19 == 0) {
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j = -1; // reset j
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}
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i++; j++;
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}
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}
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public static void main(String args[]) {
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LingeredAppWithRecComputation app = new LingeredAppWithRecComputation();
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Thread factorial = new Thread(() -> {
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app.testLoop();
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});
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factorial.setName(THREAD_NAME);
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factorial.start();
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LingeredApp.main(args);
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}
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}
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