fix rename file MyDb.java -> MyDB.java to match class name

1 files changed, 0 insertions, 103 deletions

diff --git a/src/com.example.portfolio2/com/example/portfolio2/MyDb.java b/src/com.example.portfolio2/com/example/portfolio2/MyDb.java
deleted file mode 100644
index a6c3cb7..0000000
--- a/src/com.example.portfolio2/com/example/portfolio2/MyDb.java
+++ /dev/null
@@ -1,103 +0,0 @@
-package com.example.portfolio2;
-
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.sql.Statement;
-import java.util.ArrayList;
-
-/// standard Database configuration provided at lecture
-class MyDB {
-
-	/// foo
-	Connection conn = null;
-
-	/// foo
-	MyDB() {
-		if (conn == null) open();
-	}
-
-	/// foo
-	public void open() {
-		try {
-			String url = "jdbc:sqlite:identifier.sqlite";
-			conn = DriverManager.getConnection(url);
-		} catch (SQLException e) {
-			System.out.println("cannot open");
-			if (conn != null) close();
-			throw new RuntimeException(e);
-		}
-		;
-	}
-
-	/// foo
-	public void close() {
-		try {
-			if (conn != null) conn.close();
-		} catch (SQLException e) {
-			throw new RuntimeException(e);
-		}
-		conn = null;
-	}
-
-	/// foo
-	/// @param sql  foo
-	public void cmd(String sql) {
-		if (conn == null) open();
-		if (conn == null) {
-			System.out.println("No connection");
-			return;
-		}
-		Statement stmt = null;
-		try {
-			stmt = conn.createStatement();
-			stmt.executeUpdate(sql);
-		} catch (SQLException e) {
-			System.out.println("Error in statement " + sql);
-			throw new RuntimeException(e);
-		}
-		try {
-			if (stmt != null) {
-				stmt.close();
-			}
-		} catch (SQLException e) {
-			System.out.println("Error in statement " + sql);
-			throw new RuntimeException(e);
-		}
-	}
-
-	/// foo
-	/// @param query  foo
-	/// @param fld    foo
-	/// @return       foo
-	public ArrayList<String> query(String query, String fld) {
-		ArrayList<String> res = new ArrayList<>();
-		if (conn == null) open();
-		if (conn == null) {
-			System.out.println("No connection");
-			throw new RuntimeException("No connection");
-		}
-		Statement stmt = null;
-		try {
-			stmt = conn.createStatement();
-			ResultSet rs = stmt.executeQuery(query);
-			while (rs.next()) {
-				String name = rs.getString(fld);
-				res.add(name);
-			}
-		} catch (SQLException e) {
-			System.out.println("Error in statement " + query + " " + fld);
-			throw new RuntimeException(e);
-		}
-		try {
-			if (stmt != null) {
-				stmt.close();
-			}
-		} catch (SQLException e) {
-			System.out.println("Error in statement " + query + " " + fld);
-			throw new RuntimeException(e);
-		}
-		return res;
-	}
-}