Add knapsack sample

examples/java/Knapsack.java

@@ -1,52 +0,0 @@
-// Copyright 2010-2018 Google LLC
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-import com.google.ortools.algorithms.KnapsackSolver;
-
-/**
- * Sample showing how to model using the knapsack solver.
- *
- */
-
-public class Knapsack {
-  static {
-    System.loadLibrary("jniortools");
-  }
-
-  private static void solve() {
-    KnapsackSolver solver = new KnapsackSolver(
-        KnapsackSolver.SolverType.KNAPSACK_MULTIDIMENSION_BRANCH_AND_BOUND_SOLVER, "test");
-    final long[] profits = {360, 83, 59, 130, 431, 67, 230, 52, 93, 125, 670, 892, 600, 38, 48, 147,
-        78, 256, 63, 17, 120, 164, 432, 35, 92, 110, 22, 42, 50, 323, 514, 28, 87, 73, 78, 15, 26,
-        78, 210, 36, 85, 189, 274, 43, 33, 10, 19, 389, 276, 312};
-
-    final long[][] weights = {{7, 0, 30, 22, 80, 94, 11, 81, 70, 64, 59, 18, 0, 36, 3, 8, 15, 42, 9,
-        0, 42, 47, 52, 32, 26, 48, 55, 6, 29, 84, 2, 4, 18, 56, 7, 29, 93, 44, 71, 3, 86, 66, 31,
-        65, 0, 79, 20, 65, 52, 13}};
-
-    final long[] capacities = {850};
-
-    final long optimalProfit = 7534;
-    System.out.println("Solving knapsack with " + profits.length + " items");
-
-    solver.init(profits, weights, capacities);
-
-    final long computedProfit = solver.solve();
-
-    System.out.println("Optimal_Profit = " + computedProfit + "/" + optimalProfit);
-  }
-
-  public static void main(String[] args) throws Exception {
-    Knapsack.solve();
-  }
-}