func(a,b)
int a,b;
{
return( a= (a==b) );
}
main()
{
int process(),func();
printf("The value of process is %d !\n
",process(func,3,6));
}
process(pf,val1,val2)
int (*pf) ();
int val1,val2;
{
return((*pf) (val1,val2));
}
What are the following notations of defining functions known as?
i. int abc(int a,float b)
{
/* some code */
}
ii. int abc(a,b)
int a; float b;
{
/* some code*/
}
In the following pgm add a stmt in the function fun such
that the address of
'a' gets stored in 'j'.
main(){
int * j;
void fun(int **);
fun(&j);
}
void fun(int **k) {
int a =0;
/* add a stmt here*/
}
plzzzzzzzzz xplain this code
import java.awt.*;
import java.awt.event.*;
public class Link extends Frame implements ActionListener
{
Label l1;
Button b1;
public static void main(String sr[])
{
new Link().setVisible(true);
}
public Link()
{
super("Warning");
setSize(500,500);
setBackground(Color.lightGray);
setLayout(null);
l1=new Label("There is no Link");
l1.setBounds(0,0,500,460);
l1.setFont(new Font("TimesRoman",Font.BOLD,35));
l1.setAlignment(Label.CENTER);
add(l1);
b1=new Button("QUIT");
b1.setBackground(Color.orange);
b1.setBounds(0,460,500,40);
b1.addActionListener(this);
add(b1);
}
public void actionPerformed(ActionEvent e)
{
this.dispose();
}
}
96
Code for Two Classes for Doing Gzip in Memory?
235
Definition of priority queue was given. We have to implement
the priority queue using array of pointers with the
priorities given in the range 1..n.
The array could be accessed using the variable top. The list
corresponding to the array elements contains the items
having the priority as the array index.
Adding an item would require changing the value of top if it
has higher priority than top.
Extracting an item would require deleting the first element
from the corresponding queue.
The following class was given:
class PriorityQueue
{
int *Data[100];
int top;
public:
void put(int item, int priority); // inserts the item with
the given priority.
int get(int priority); // extract the element with the
given priority.
int count(); // returns the total elements in the priority
queue.
int isEmpty(); // check whether the priority queue is empty
or not.
};
We had to implement all these class functions.
Common UI for Multiple web applications. Suppose there are
35 websites using same third party controls.These 3rd party
controls are made together that all 35 websites can use
these controls.If we put all 3rd party controls and use its
dll in 35 websites,only class files will be accessable. But
I want to use CSS,images also in all 35 websites. how I can
design the N-tier solution for this project.
plzzzzzzzzz xplain this code
import java.awt.*;
import java.awt.event.*;
public class Agency extends Frame implements ActionListener
{
Label l1,l2,l3,l4;
Button b1;
TextField t1,t2;
String s1,s2,s3,s4;
public static void main(String args[])
{
new Agency().setVisible(true);
}
public Agency()
{
super("Gas Agency Package");
setSize(1280,800);
setBackground(Color.lightGray);
setLayout(null);
// setLayout(new BorderLayout());
t1=new TextField(20);
t1.setBounds(440,150,200,30);
t1.setBackground(Color.white);
t2=new TextField(20);
t2.setBounds(440,180,200,30);
t2.setBackground(Color.white);
t2.setEchoChar('*');
l1=new Label("Gas Agency Package");
l1.setBounds(400,30,300,50);
l1.setFont(new Font("TimesRoman",Font.BOLD,25));
l1.setAlignment(Label.CENTER);
l2=new Label("Enter your ID and Passoword");
l2.setFont(new Font("TimesRoman",Font.BOLD,20));
l2.setBounds(270,80,300,50);
l3=new Label("Enter ID");
l2.setFont(new Font
("TimesRoman",Font.BOLD,20));
l3.setBounds(270,150,120,50);
l4=new Label("Enter Passoword");
l2.setFont(new Font
("TimesRoman",Font.BOLD,20));
l4.setBounds(270,180,140,50);
add(l1);
add(l2);
add(l3);
add(t1);
add(l4);
add(t2);
b1=new Button("Login");
b1.setBackground(Color.white);
b1.setBounds(400,280,100,70);
b1.addActionListener(this);
add(b1);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==b1)
{
s3="svce";
s4="svce";
s1=t1.getText();
s2=t2.getText();
if(s1.equals(s3) && s2.equals(s4))
{
//System.out.println("password is
correct");
MenuForm m= new MenuForm();
m.setVisible(true);
//this.dispose();
}
else
{
System.out.println("password not
correct");
}
this.dispose();
}
}
}
plzzzzzzzzz xplain this code
116
Implement a command console for changing settings on a
particular object. The command console should allow you to
enter a string and will return the response (very similar to
a terminal session). The commands are as follows:
SET propertyname=newvalue will change the target
object’s member named “propertyname” to have a value equal
to “newvalue”. If the input value is incompatible (i.e. an
int being set to a string), print out an appropriate error
message.
GET propertyname will print out the current value of
the target object’s member named “propertyname”.
GET * will print out a list of all target object
members and their current values.
The system should be extensible for future commands and
should accept an arbitrary object, such that another
developer could insert another object into the system and
rely on the command console to get and set the properties
correctly.
78
why nlogn is the lower limit of any sort algorithm?
21
main()
{
int (*functable[2])(char *format, ...) ={printf, scanf};
int i = 100;
(*functable[0])("%d", i);
(*functable[1])("%d", i);
(*functable[1])("%d", i);
(*functable[0])("%d", &i);
}
a. 100, Runtime error.
b. 100, Random number, Random number, Random number.
c. Compile error
d. 100, Random number
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