Add hashCode to pool entry

src/main/java/net/runelite/deob/pool/Double.java

@@ -35,6 +35,14 @@ public class Double extends PoolEntry
 		return value == d.value;
 	}
 
+	@Override
+	public int hashCode()
+	{
+		int hash = 5;
+		hash = 79 * hash + (int) (java.lang.Double.doubleToLongBits(this.value) ^ (java.lang.Double.doubleToLongBits(this.value) >>> 32));
+		return hash;
+	}
+
 	@Override
 	public int getSlots()
 	{

src/main/java/net/runelite/deob/pool/Float.java

@@ -35,6 +35,14 @@ public class Float extends PoolEntry
 		return value == f.value;
 	}
 
+	@Override
+	public int hashCode()
+	{
+		int hash = 7;
+		hash = 37 * hash + java.lang.Float.floatToIntBits(this.value);
+		return hash;
+	}
+
 	@Override
 	public Type getTypeClass()
 	{

src/main/java/net/runelite/deob/pool/Integer.java

@@ -34,6 +34,14 @@ public class Integer extends PoolEntry
 		Integer i = (Integer) other;
 		return value == i.value;
 	}
+
+	@Override
+	public int hashCode()
+	{
+		int hash = 3;
+		hash = 97 * hash + this.value;
+		return hash;
+	}
 	
 	@Override
 	public java.lang.String toString()

src/main/java/net/runelite/deob/pool/InterfaceMethod.java

@@ -5,6 +5,7 @@ import net.runelite.deob.ConstantPool;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Objects;
 
 public class InterfaceMethod extends PoolEntry
 {
@@ -51,6 +52,15 @@ public class InterfaceMethod extends PoolEntry
 		InterfaceMethod i = (InterfaceMethod) other;
 		return clazz.equals(i.clazz) && nat.equals(i.nat);
 	}
+
+	@Override
+	public int hashCode()
+	{
+		int hash = 5;
+		hash = 23 * hash + Objects.hashCode(this.clazz);
+		hash = 23 * hash + Objects.hashCode(this.nat);
+		return hash;
+	}
 	
 	public Class getClassEntry()
 	{

src/main/java/net/runelite/deob/pool/Long.java

@@ -35,6 +35,14 @@ public class Long extends PoolEntry
 		return value == l.value;
 	}
 
+	@Override
+	public int hashCode()
+	{
+		int hash = 3;
+		hash = 37 * hash + (int) (this.value ^ (this.value >>> 32));
+		return hash;
+	}
+
 	@Override
 	public int getSlots()
 	{

src/main/java/net/runelite/deob/pool/PoolEntry.java

@@ -29,6 +29,9 @@ public abstract class PoolEntry
 	@Override
 	public abstract boolean equals(Object other);
 	
+	@Override
+	public abstract int hashCode();
+	
 	public abstract void write(DataOutputStream out) throws IOException;
 	
 	public ConstantType getType()

src/main/java/net/runelite/deob/pool/String.java

@@ -6,6 +6,7 @@ import net.runelite.deob.execution.Type;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Objects;
 
 public class String extends PoolEntry
 {
@@ -54,6 +55,14 @@ public class String extends PoolEntry
 		return string.equals(s.string);
 	}
 
+	@Override
+	public int hashCode()
+	{
+		int hash = 5;
+		hash = 83 * hash + Objects.hashCode(this.string);
+		return hash;
+	}
+
 	@Override
 	public void write(DataOutputStream out) throws IOException
 	{

src/main/java/net/runelite/deob/pool/UTF8.java

@@ -5,6 +5,7 @@ import net.runelite.deob.ConstantPool;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Objects;
 
 public class UTF8 extends PoolEntry
 {
@@ -34,6 +35,14 @@ public class UTF8 extends PoolEntry
 		return string.equals(u.string);
 	}
 
+	@Override
+	public int hashCode()
+	{
+		int hash = 5;
+		hash = 29 * hash + Objects.hashCode(this.string);
+		return hash;
+	}
+
 	public java.lang.String getValue()
 	{
 		return string;