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Finished in class Livecode #5

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151 changes: 87 additions & 64 deletions src/main/java/io/github/auberonedu/equalsLivecode/App.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,76 +13,99 @@ public static void main(String[] args) {

Centroid locA = new Centroid(4, 9, "Salamander");
Centroid locB = new Centroid(4, 9, "Salamander");

System.out.println("Result of locA == locB " + (locA == locB));
System.out.println("Result of locA.equals(locB) " + locA.equals(locB));

videoDemo();
Centroid locC = locA;

// represents referance equality
// System.out.println("Result of locA == locB " + (locA == locB));
// System.out.println("Result of locA == locC " + (locA == locC));
// represents value equality
// System.out.println("Result of locA.equals(locB) " + locA.equals(locB));
// System.out.println("Result of locA.equals(locA) " + locA.equals(locA));

// Set<Centroid> centroids = new HashSet<>();
// System.out.println(locA.hashCode());
// System.out.println(locB.hashCode());
// centroids.add(locA);
// centroids.add(locB);
// System.out.println(centroids.size());

Location a = new Location(5, 1, "food");
Location b = new Location(5, 1, "food");

System.out.println(a.equals(b));
System.out.println(a.hashCode());
System.out.println(b.hashCode());

// videoDemo();
}

// We will look at this a bit later in the livecode, please ignore for first part
// We will look at this a bit later in the livecode, please ignore for first
// part
public static void videoDemo() {
List<char[][]> video = List.of(
// Frame 0: Salamander is at [2, 3] (all locations in [row, column] format)
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','s','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 2: Salamander is at [2, 4]
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 3: Salamander is at [2, 4] (it didn't move)
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},


// Frame 4: Salamander is at [3, 4]
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 5: Salamander is at [4, 4]
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 6: Salamander is at [4, 5]
// No food present (the salamander ate it!)
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','s','.',},
{'.','.','.','.','.','.','.',}}
);
// Frame 0: Salamander is at [2, 3] (all locations in [row, column] format)
// Food is at [4, 5]
new char[][] {
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', 's', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 2: Salamander is at [2, 4]
// Food is at [4, 5]
new char[][] {
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 3: Salamander is at [2, 4] (it didn't move)
// Food is at [4, 5]
new char[][] {
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 4: Salamander is at [3, 4]
// Food is at [4, 5]
new char[][] {
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 5: Salamander is at [4, 4]
// Food is at [4, 5]
new char[][] {
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 6: Salamander is at [4, 5]
// No food present (the salamander ate it!)
new char[][] {
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 's', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } });

Map<String, Character> legend = Map.of(
"Salamander", 's',
"Food", 'f'
);
"Salamander", 's',
"Food", 'f');

Finder finder = new Finder(legend);
Set<Centroid> salamanderLocations = finder.allLocations(video, "Salamander");
Expand Down
61 changes: 60 additions & 1 deletion src/main/java/io/github/auberonedu/equalsLivecode/Centroid.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ public class Centroid {
private int r;
private int c;
private String name;

public Centroid(int r, int c, String name) {
this.r = r;
this.c = c;
Expand All @@ -22,4 +22,63 @@ public int getC() {
public String getName() {
return name;
}

@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + r;
result = prime * result + c;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}

@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Centroid other = (Centroid) obj;
if (r != other.r)
return false;
if (c != other.c)
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}

// @Override
// public boolean equals(Object o) {
// if (o == null) {
// return false;
// } else if (getClass() != o.getClass()) {
// return false;
// }
// // Before casting, o is recognized as an Object and thus r and c cannot be
// // accessed
// Centroid other = (Centroid) o;
// if (r != other.r) {
// return false;
// } else if (c != other.c) {
// return false;
// } else if (name == null) {
// if (other.name == null) {
// return true;
// } else if (other.name != null) {
// return false;
// }
// } else if (!name.equals(other.name)) {
// return false;
// }

// return true;
// }

}
5 changes: 5 additions & 0 deletions src/main/java/io/github/auberonedu/equalsLivecode/Location.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
package io.github.auberonedu.equalsLivecode;

public record Location(int x, int y, String label) {

}