Reader

.gitignore

+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/knapsack.iml" filepath="$PROJECT_DIR$/knapsack.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

knapsack.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

src/Instance.java

+import java.util.List;
+
+public class Instance {
+    double bound;
+    List<Item> items;
+
+    public Instance(double bound, List<Item> items) {
+        this.bound = bound;
+        this.items = items;
+    }
+}

src/Item.java

+public class Item {
+    double weight,value;
+
+    public Item(double weight, double value) {
+        this.weight = weight;
+        this.value = value;
+    }
+}

src/Main.java

+import java.io.FileNotFoundException;
+
+public class Main {
+    public static void main(String[] args) throws FileNotFoundException {
+        Instance instance = new Reader("src/instances/sac0.txt").read();
+    }
+}
\ No newline at end of file

src/Reader.java

+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+public class Reader {
+    String fileName;
+
+    public Reader(String fileName) {
+        this.fileName = fileName;
+    }
+
+    public Instance read() throws FileNotFoundException {
+        Scanner scanner = new Scanner(new File(fileName));
+        double bound = scanner.nextInt();
+        List<Item> items = new ArrayList<>();
+        double weight,value;
+        while(scanner.hasNext()){
+            value = scanner.nextDouble();
+            weight = scanner.nextDouble();
+            items.add(new Item(weight,value));
+        }
+        return new Instance(bound,items);
+    }
+}

src/instances/sac0.txt

+1000
+124 13
+156 14
+138 13 
+143 14 
+231 25 
+214 20 
+98 10 
+178 16 
+205 19 
+189 17 
+163 16 
+112 12 
+201 16 
+302 29 
+222 23

src/instances/sac1.txt

+2000
+132 138772
+165 173636
+145 148055
+198 198705
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+144 151242
+123 123145
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+182 186944
+111 111389
+154 154316
+105 112132
+169 177607
+128 134188
+156 158942

src/instances/sac2.txt

+2000
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+167 170051

src/instances/sac3.txt

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src/instances/sac4.txt

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