Answer Posted / dinesh

like this,

1.open the file in I-O mode.
2.Move the file data structure to working-storage data structure.
3.read the particular field, what do you want
4.add the data (or) move the new data to reading the particular field.
5.Rewrite the file.
6.close it.

note: with in the field size you can be add a new data, you are not allowed to add more fields on the file....

1.Explain what happens to a session object when the browser associated with it is closed? 2.Explain how a session object is created and used. (Note: you are not required to provide the Java statements such as ‘getAttribute’)

2458

---

Write code that allows to create only one instance of a class?

790

---

Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }

2040

---

i am doing my final year project about programming use verilog ,i am new about it so got problem,i want to record the readings of a waveform every 2us use the verilog code ,every ten readings i need to add them together after that i need to compare this series of number to get which one is the biggest , right now i don't know how to use code to store the readings every 2us on a waveform ,pls help me thanks a lot .

2012

---

JasperETL how to install and create simple project explain me clearly fnds iam wtg for ur rply

3928

---

can any one give me code to keyed a flat file and used chain in RPGLE to search any item

1957

---

How can you print an address of a variable?

822

---

plzzzzzzzzz xplain this code import java.awt.*; import java.awt.event.*; //import java.awt.MenuItem.*; public class MenuForm extends Frame implements ActionListener { MenuBar mb=new MenuBar(); Menu m1=new Menu("Master"); Menu m2 =new Menu("Transactions"); Menu m3=new Menu("Queries"); Menu m4=new Menu("Reports"); Menu m5=new Menu("Daily/Weekly"); Menu m6=new Menu("Housekeeping"); Menu m7=new Menu("About"); Menu m8=new Menu("Utilities/Tools"); Menu m9=new Menu("exit"); MenuItem m11=new MenuItem("consumer master"); MenuItem m12=new MenuItem(""); MenuItem m13=new MenuItem(""); MenuItem m21=new MenuItem("New Connection"); MenuItem m22=new MenuItem("Refill Booking"); MenuItem m23=new MenuItem("Shop Delivery"); MenuItem m51=new MenuItem("Mrk Dlry"); MenuItem m91=new MenuItem("Quit"); /*MenuItem m131=new MenuItem(" "); MenuItem m132=new MenuItem(" "); MenuItem m134=new MenuItem(" ");*/ Font f=new Font("TimesRoman",Font.BOLD,16); Frame f1; public static void main(String args[]) { new MenuForm().setVisible(true); } public MenuForm() { super("Gas Agency Main Menu"); setSize(1280,800); setBackground(Color.lightGray); setLayout(null); setMenuBar(mb); /*m1.setFont(new Font("TimesRoman", Font.BOLD,16)); m2.setFont(new Font("TimesRoman", Font.BOLD,16)); m3.setFont(new Font("TimesRoman", Font.BOLD,16));*/ mb.add(m1); mb.add(m2); mb.add(m3); mb.add(m4); mb.add(m5); mb.add(m6); mb.add(m7); mb.add(m8); mb.add(m9); m1.add(m11); m1.add(m12); m1.add(m13); m2.add(m21); m2.add(m22); m2.add(m23); m5.add(m51); m9.add(m91); //m3.add(m31); /*m13.setEnabled(false); m13.add(m131); m13.add(m132); m13.add(m133); m13.add(m134); m13.add(m135);*/ setVisible(true); /*m11.addActionListener(this); m12.addActionListener(this); m13.addActionListener(this); m2.addActionListener(this); m3.addActionListener(this);*/ m21.addActionListener(this); m22.addActionListener(this); m23.addActionListener(this); /*m31.addActionListener(this); m131.addActionListener(this); m132.addActionListener(this); m133.addActionListener(this); m134.addActionListener(this); m135.addActionListener(this);*/ m51.addActionListener(this); m91.addActionListener(this); } public void actionPerformed(ActionEvent e) { /*if(e.getSource()==m11) { } if(e.getSource()==m12) { } if( (e.getSource()==m131) || (e.getSource() ==m132) || (e.getSource()==m133) || (e.getSource()==m134) || (e.getSource()==m135) ) { }*/ if(e.getSource()==m21) { NewConnection nc=new NewConnection (); nc.setVisible(true); this.dispose(); } if(e.getSource()==m22) { RefillBooking rb=new RefillBooking (); rb.setVisible(true); this.dispose(); } if(e.getSource()==m23) { ShopDelivery sd=new ShopDelivery(); sd.setVisible(true); this.dispose(); } if(e.getSource()==m51) { MarkDelivery mrk=new MarkDelivery(); mrk.setVisible (true); this.dispose(); } if(e.getSource()==m91) { this.dispose(); System.exit(0); } } }

1968

---

Write code to add functions, which would work as get and put properties of a class?

814

---

Write a code snippet to display an integer in a binary format?

792

---

What is the coding about how to recognize color in fuzzy logic using Matlab R2009b?

1989

---

1.Why does only one copy of a servlet object get created? What happens if you want to remove an old servlet object currently running but do not want to stop the entire servlet engine? 2.How does one servlet object deal with interactions from many browser? (e.g. if your servlet ran an email site, how can it keep track of hundreds of users logging in, reading their mail, etc.)

2694

---

How to find the list of users who have two codes su01 and pfcg? thank in advance all.

1972

---

Write a program that implements a date class containing day, month and year as data members. Implement assignment operator and copy constructor in this class.

826

---

You have been asked to install a servlet engine (tomcat, glassfish, etc.) for a companies servlets. Assuming the company has an existing web/DBMS server (which may or may not be on the same server), explain in detail how would you implement the development project and a deployment solution.

2499

---