Commit b11c7e3

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Refactor ConnectSQL class to make it final and encapsulate instance variable

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Khoá học Java Swing và JDBC T11/05_java_jdbc/TestJDBC/src/models
- ConnectSQL.java

-5

lines changed

Lines changed: 2 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -2,9 +2,9 @@`
`2`	`2`
`3`	`3`	`import java.sql.Connection;`
`4`	`4`
`5`		`-public class ConnectSQL {`
	`5`	`+public finalclass ConnectSQL {`
`6`	`6`	`private Connection conn = null;`
`7`		`- public static ConnectSQL instance = null;`
	`7`	`+ private static ConnectSQL instance = null;`
`8`	`8`
`9`	`9`	`private ConnectSQL() {`
`10`	`10`	`// kết nối`
`@@ -28,7 +28,4 @@ public Connection getConn() {`
`28`	`28`	`return conn;`
`29`	`29`	`}`
`30`	`30`
`31`		`- public void setConn(Connection conn) {`
`32`		`- this.conn = conn;`
`33`		`- }`
`34`	`31`	`}`

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