CREATING A TRIANGLE IN OPENGL

#include<GL/glu.h>
#include<GL/glut.h>
#include<GL/gl.h>

void display()
{
glClearColor(1.0,1.0,1.0,0.0);
     glClear(GL_COLOR_BUFFER_BIT);
     glColor3f(1.0,0.0,0.0);
   
   
     glPointSize(15);
     glBegin(GL_TRIANGLES);
                        glVertex2f(90,100);
                        glVertex2f(180,100);
                        glVertex2f(140,150);
                        glVertex2f(200,150);
     glEnd();
     glFlush();
}

void init(void)
{


glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,640.0,0.0,480.0);
}

int main(int argc,char **argv)
{
    glutInit(&argc,argv);
    glutInitWindowSize(640,480);
    glutInitWindowPosition(100,150);
    glutInitDisplayMode(GLUT_RGB|GLUT_SINGLE);
    glutCreateWindow("Going for a SMILEY :-)");
    init();
glutDisplayFunc(display);
   
    glutMainLoop();
}

IF else program in pl-sql

set serveroutput on;
DECLARE
   total_rows number(2);
BEGIN
   UPDATE e1111
   SET esalary = esalary + 500;
   IF sql%notfound THEN
      dbms_output.put_line('no customers selected');
   ELSIF sql%found THEN
      total_rows := sql%rowcount;
      dbms_output.put_line( total_rows || ' customers selected ');
   END IF;
END;

Function s in PL/SQL

set serveroutput on;
set verify off;
declare
a int;
c int;
b int;

function pied(x in  number)
return number
is
v number(2);
begin
c:=x+10;
return(c);

end pied;


begin
a:=&a;
 b:=pied(a);
dbms_output.put_line(b);
end;

calculator Structure in java Applet

import java.awt.*;
import java.awt.event.*;
import java.applet.*;


/*<applet code="carry" width="300" height= "300"></applet>*/

public class carry extends Applet
{
static final int n=3;
int i,j,k;
TextField x;


public void init()
{





setLayout(new BorderLayout());
add(new TextField(15),BorderLayout.NORTH);
setLayout(new FlowLayout(FlowLayout.LEFT));
setFont(new Font("SansSerif",Font.BOLD,30));

add(new Button("+"));
add(new Button("-"));
add(new Button("*"));
add(new Button("/"));


for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
   {
   k=i*n+j;
   if(k>0)
  add(new Button(""+k));
    }

}


}

}