added 19 and 20

Eclipse-Workspace/prg2_b2_38/src/in/test/insertdemo.java

@@ -0,0 +1,25 @@
+package in.test;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+
+public class insertdemo {
+	public static void main(String[] args) throws Exception{
+		Class.forName("com.mysql.cj.jdbc.Driver");
+		Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbc_B2_38", "root", "12345");
+		PreparedStatement ps = con.prepareStatement("insert into student (Rollno, Name, Marks) value (?, ?, ?)");
+		ps.setInt(1, 104);
+		ps.setString(2, "Anil");
+		ps.setInt(3, 67);
+		int i = ps.executeUpdate();
+		if(i>0) {
+			System.out.println("success");
+		}
+		else {
+			System.out.println("fail");
+		}
+		con.close();
+
+	}
+
+}