Data commit

Task/Knapsack-problem-0-1/Java/knapsack-problem-0-1-3.java

@@ -0,0 +1,71 @@
+package hu.pj.obj;
+
+public class Item {
+
+    protected String name    = "";
+    protected int weight     = 0;
+    protected int value      = 0;
+    protected int bounding   = 1; // the maximal limit of item's pieces
+    protected int inKnapsack = 0; // the pieces of item in solution
+
+    public Item() {}
+
+    public Item(Item item) {
+        setName(item.name);
+        setWeight(item.weight);
+        setValue(item.value);
+        setBounding(item.bounding);
+    }
+
+    public Item(int _weight, int _value) {
+        setWeight(_weight);
+        setValue(_value);
+    }
+
+    public Item(int _weight, int _value, int _bounding) {
+        setWeight(_weight);
+        setValue(_value);
+        setBounding(_bounding);
+    }
+
+    public Item(String _name, int _weight, int _value) {
+        setName(_name);
+        setWeight(_weight);
+        setValue(_value);
+    }
+
+    public Item(String _name, int _weight, int _value, int _bounding) {
+        setName(_name);
+        setWeight(_weight);
+        setValue(_value);
+        setBounding(_bounding);
+    }
+
+    public void setName(String _name) {name = _name;}
+    public void setWeight(int _weight) {weight = Math.max(_weight, 0);}
+    public void setValue(int _value) {value = Math.max(_value, 0);}
+
+    public void setInKnapsack(int _inKnapsack) {
+        inKnapsack = Math.min(getBounding(), Math.max(_inKnapsack, 0));
+    }
+
+    public void setBounding(int _bounding) {
+        bounding = Math.max(_bounding, 0);
+        if (bounding == 0)
+            inKnapsack = 0;
+    }
+
+    public void checkMembers() {
+        setWeight(weight);
+        setValue(value);
+        setBounding(bounding);
+        setInKnapsack(inKnapsack);
+    }
+
+    public String getName() {return name;}
+    public int getWeight() {return weight;}
+    public int getValue() {return value;}
+    public int getInKnapsack() {return inKnapsack;}
+    public int getBounding() {return bounding;}
+
+} // class