Advanced Java 2014

Transcription

1 Practical No Advanced Java 2014 Write a program to take input from user and ask the user to enter any character for which the user wants to calculate occurrences of it. Program should check whether the particular character presents in the given statement or not. If yes it should display the occurrences of it, otherwise proper message should be displayed. (Note: Use the functions of String class only.) To make aware of String class, StringTokenizer class, StringBuffer class and its functionality. String class and its functions & StringTokenizer CO1: Understand and use generic Collections and String objects. Page no Is it possible to solve the above given program using StringBuffer? If yes, how it can be solved? Otherwise proper message should be displayed to the user. 2. How one can join three different strings without using + operator? generates the output for counting number of special characters is there in given input? 4. Which package is used in above program to take input from user using Scanner class? Page 1

2 Practical No Advanced Java 2014 Enrollment No Using the 1 ask how many times user wants to check the occurrences of the characters, according to that consider that character as a key and store it s respective occurrences as a value in HashMap. To make aware of String class, StringTokenizer class, StringBuffer class and its functionality. String class and its functions & StringTokenizer CO1: Understand and use generic Collections and String objects. Page no , 439, , Using which other alternative the above given problem can be solved? Write down appropriate code segment. 2. How one can compare two strings in Java? 3. Which method of HashMap in above given problem used to retrieve one by one entry from Map? 4. If a user forgets to import java.lang.* package, is there any possibility of error to be raised? If yes, then specify an error. Page 2

3 Practical No Advanced Java 2014 Write a program that creates a user-define class called CustomerFeedback containing members such as CutomerId, name, Feedback, type of product. Assume that five customers have given their feedback for the various products. Prepare a list of customer feedback based on the type of the product. (Note: Use ArrayList to store different type of customer feedback.) To make aware of collection and generics. Class, object and collection framework. CO1: Understand and use generic Collections and String objects. Page No: 439, , What is the reason behind not solving the above given problem using HashMap? 2. Give two key differences between ArrayList and Set. will store only string type of data? 4. Name the package necessary to import inorder to use collection interface in the above given problem. Page 3

4 Practical No Advanced Java 2014 Write a program to take full name as an input from user, the full name must contains First Name. Middle Name and Last Name. Using three threads print each name at a time enclosed in square bracket. Example: Input: Riya Rajish Sheth Output: [Riya] [Rajish] [Sheth] To make aware of multithreading concept of Java Thread class, Runnable interface and its method. CO2: Develop multithreaded Page no What can be the consequences with the above given problem is implemented using Runnable interface instead of Thread class? 2. For the above given problem, which function can be used to set name of thread? will print each name first than it will print square bracket? 4. State the purpose of using method currenttimemillies(). Does the use of this method is compulsory in above program? If yes, then specify appropriate reason. Page 4

5 Practical No Advanced Java 2014 Write a program which accept book name from the user and display one by one character of that book name on every 3 seconds of interval. To make aware of multithreading concept of Java Thread class, Runnable interface and it s method. CO1: Develop multithreaded Page no , What could be the consequences with the above given problem if we use wait() method instead of sleep() method? 2. Five threads are available in one program namely thread1, thread2, thread3, thread4 and thread. User wants to execute thread first amongst the thread. How we can do this? will find the number of characters from two words simultaneously? 4. Which method is used to free a resource allocated by thread? Page

6 Practical No Advanced Java 2014 Write a Java program to create five threads with different priorities. Send two threads of the highest priority to sleep state. Check the aliveness of the threads and mark which thread is long lasting. To make aware of multithreading concept of Java Thread class, Runnable interface and it s method. 1. Hour CO2: Develop multithreaded Page No When one need to use notify() instead of notifyall()? 2. In which scenario one will use concept of synchronization? will execute by implementing Runnable interface? 4. Which are the two different ways for synchronization available? Practical No. 7 Write a program to create a frame with yellow background and display the message Hello this is my first frame using applet. To make aware of applet and event handling with applet and frames Applet class, event handling methods, event classes, listener Page 6

7 Advanced Java 2014 CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no Give two points of differences between event listener and event source. 2. Write down the steps to create a frame along with applet. closes a frame when user clicks on close button of window? 4. Which packages are necessary to import in your program when you are creating a GUI based application? Practical No. 8 Write a program to create a frame and draw shapes like round rectangle, circle, oval and line with blue border and fill with yellow color. To make aware of applet and event handling with applet and frames Applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based Page 7

8 Advanced Java 2014 CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no When one need to use Graphics class instead of paint? 2. Which type of care should be taken by developer while handling events generated by any component? set the background color of window to green? 4. Which method is used to fill a shape with pink color on canvas? Practical No. 9 Write a program to create a frame which displays the following message. Welcome To Java Note: above three lines must be displayed in three different fonts. To make aware of applet and event handling with applet and frames Applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page 8

9 Advanced Java 2014 Page no List down necessary function names to retrieve font family name and font face name? 2. Is there any way to retrieve the list of fonts available in your system in Java? If yes, write a function with prototype. writes data in the status bar of the window? 4. Which method is used to check that whether font is bold or not? Practical No. Develop a frame which will have following picture in it. To make aware of applet and event handling with applet and frames Usage of applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no Give two points of differences between paint() and update() method. 2. How one can draw a line with purple color on window? Page 9

10 Advanced Java 2014 draws a picture without color? To draw a pentagon on canvas, which method is used? Practical No. 11 Write a program to create frame with two buttons and a message as shown below. When user clicks YES button or NO button the system displays either a congratulations message or a Regret message accordingly. Develop a program to display this message in the status bar of the window. To make aware of applet and event handling with applet and frames Applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no , Action Event and Adjustment event are generated by which component of AWT? 2. When user clicks on button, it will display one message Button Clicked in separate dialog box, write down the code to do the same. writes a appropriate message to the status bar of the window? 4. ItemStateChanged event is generated by which component of AWT? Page

11 Advanced Java 2014 Secured by the student Practical No. 12 Write a program to create a window. When we press M or m key the window displays Good morning. When we press A or a key the window displays Good Afternoon. When we press E or e key the window displays Good Evening. To make aware of applet and event handling with applet and frames Applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no , Give two points of differences between button and push button control. 2. How one can handle button text event? display good night when we press n? 4. Which method we should override to handle text event? Page 11

12 Practical No Advanced Java 2014 Write a program to create a MenuBar and pulldown menus. The menubar contains two options: Shape and Color. The Shape menu contains three menu item polygon, round rectangle and rectangle within circle. The Color menu contains three menu items purple, Sky Blue and orange. When user clicks on any of the shape from the shape menu, respective shape should be drawn on the window and when user clicks on Color menu, respective color should be selected as a background color of a window To make aware of applet, menu and event handling with applet and frames Applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no , Give two points of differences between menu bar and menu item. 2. How one can handle menu click event? select the color and draw the selected shape by that selected color? 4. Which event should be handled when window is closing? Page 12

13 Practical No Advanced Java 2014 Write a swing program to create a window with two text area. The Textfields are called cut and paste respectively. There is a button called CUT AND PASTE. The user types a paragraph in the text area called cut, when user clicks on CUT button than the content of cut text area should be cut and paste into a paste text area when user click on PASTE button. To make aware of applet, menu and event handling with applet and frames Applet class, event handling methods, event classes, listener CO4: Use AWT objects and controls for developing GUI based CO: Understand delegation event model and use event listeners CO6: Develop applications using Swing controls. Page no , Give two points of differences between applet and swing. 2. How one can handle event in Swing? does not allow paste button to be accessed by user before entering detail in text field? 4. Which package should import to handle events generated by swing controls? Practical No. 1 Write a program to create a frame with six different radio buttons representing your favorite six colors. When radio button is checked, the background must change to the corresponding color. (Note: use swing controls) Page 13

14 Advanced Java 2014 To make aware of applet, menu and event handling with applet and frames Applet class, event handling methods, event classes, listener CO3: Use AWT objects and controls for developing GUI based CO4: Understand delegation event model and use event listeners CO: Develop applications using Swing controls. Page no , Give two points of differences between model and view from MVC. 2. How Swing components are lightweight? does not allow selecting any of the radio buttons? 4. Which class is used to create button in Swing? Practical No. 16 Write a program to create one URL (i.e and then print all the properties of that URL. To make aware of URL, networking concept, INetAddress, TCP/IP and datagram protocol. Usage of different class which is supported by Java for networking like URL, URLConnection, HttpURLConnection, INetAddress, TCP/IP Server Socket, Datagram packet. Page 14

15 Advanced Java 2014 CO6: Develop basic connection-less and connection-oriented clientserver Page No Give two points of differences between ipv4 and ipv6 2. How one can retrieve host name from URL? opens a connection to ebay.com website securely? 4. Which package we should import to implement concept of networking in Java? Practical No. 17 Write a program in which client will send one decimal number to server and in response server will reply to the client by giving total number of fraction point available in client request. (Note: Use ServerSocket class to implement this program). To make aware of URL, networking concept, INetAddress, TCP/IP and datagram protocol. Usage of different class which is supported by Java for networking like URL, URLConnection, HttpURLConnection, INetAddress, TCP/IP Server Socket, Datagram packet. Page 1

16 Advanced Java 2014 CO6: Develop basic connection-less and connection-oriented clientserver Page No Give two points of differences between TCP/IP and Datagram protocol. 2. How one can make server to listen to requests from client? can accept more than one request from more than one client? 4. Which exception will get generated when one uses INetAddress class? Practical No. 18 Write a program in which client will send one statement to server and in response server will count the number of words and number of characters available in that statement and reply to the client request. (Note: use Datagrams to implement this program.) To make aware of URL, networking concept, INetAddress, TCP/IP and datagram protocol. Usage of different class which is supported by Java for networking like URL, URLConnection, HttpURLConnection, INetAddress, TCP/IP Server Socket, Datagram packet. CO6: Develop basic connection-less and connection-oriented clientserver Page 16

17 Advanced Java 2014 Page No Give two points of differences between readutf() and receive() method. 2. How one can check that whether server is able to listen any request from client or not? can count number of consonant from client s request? 4. Which exception will get generated when one uses URL class? Page 17