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| import java.io.*;
import java.awt.*;
public class Thread1 extends Thread{
public static int tab[]= new int[100];
public static int n;
public static int i,j,s=0,p=1;
public void run(){
ThreadGroup gr= new ThreadGroup("group");
new Th1(gr).start();
new Th3(gr).start();
new Th4(gr).start();
new Th2(gr).start();
}
//***********prog prin***************//
public static void main(String[] args)throws IOException {
BufferedReader clavier=new BufferedReader(new InputStreamReader (System.in));
System.out.println("donner n :");
n=Integer.parseInt(clavier.readLine());
ThreadGroup gr= new ThreadGroup("group");
if(n<=0){System.out.println(" ERROR !!!");}
else {
i=1;
Remplir(tab);}
new Thread1().start();
}
///*******************tri du tableau*******************//
class Th1 extends Thread {
Th1(ThreadGroup gr) {
super(gr, "Th2");
}
public void run(){
i=1;
j=i+1;
Tri1(tab);
if(n%2==0){i=n/2; j=i+1;}
else{i=n/2+1; j=i+1;}
Tri2(tab);
if(n%2==0){
i=1;
j=n/2;
}
else{
i=1;
j=n/2+1;
}
Tri3(tab);
i=1;
}
public void Tri1(int tab[])
{
int x;
if(i<=n/2){
if(j<=n/2){
if(tab[i]<tab[j]){
x=tab[i];
tab[i]=tab[j];
tab[j]=x;
j=j+1;
Tri1(tab);
}else {j=j+1;Tri1(tab);}
i=i+1;j=i+1; Tri1(tab);
}
}
}
public void Tri2(int tab[])
{
int x;
if(i<=n){
if(j<=n){
if(tab[i]<tab[j]){
x=tab[i];
tab[i]=tab[j];
tab[j]=x;
j=j+1;
Tri1(tab);
} else {j=j+1;Tri2(tab);}
i=i+1;j=i+1; Tri2(tab);
}
}
}
public void Tri3(int tab[])
{
int x;
if((j<=n)&&(i<=n)){
if(tab[i]>=tab[j]){
j=j+1;
Tri3(tab);
}
else{
x=tab[i];
tab[i]=tab[j];
tab[j]=x;
j=j+1;
Tri3(tab);
}
}
else{
if(i<=n){
i=i+1;
if(n%2==0){
j=n/2;
}
else{
j=n/2+1;
}
Tri3(tab);
i=1;
j=i+1;
Tri1(tab);
if(n%2==0){i=n/2; j=i+1;}
else{i=n/2+1; j=i+1;}
Tri2(tab);
}
}
}
}
//************************afficher la somme******//
class Th4 extends Thread {
Th4(ThreadGroup gr) {
super(gr, "Th4");}
public void run(){
Somme1(tab);
}
public void Somme1(int tab[]){
if(p<=n){
s=s+tab[p];
p=p+1;
Somme1(tab);}
}
}
class Th2 extends Thread {
Th2(ThreadGroup gr) {
super(gr, "Th2");}
public void run(){
Affiche1(tab);
}
public void Affiche1(int tab[]){
System.out.println("la somme="+s);
}
}
///*********************afficher*************//
class Th3 extends Thread{
Th3(ThreadGroup gr) {
super(gr, "Th3");
}
public void run(){
try {i=1; Afficher(tab);}catch(IOException e){}
}
public void Afficher(int tab[]) throws IOException{
if(i<=n){
System.out.println("voici les elements lus :"+tab[i]);i=i+1;
Afficher(tab);
}
}
}
// ************************ remplissage*******//
public static void Remplir(int tab[]) throws IOException {
BufferedReader clavier=new BufferedReader(new InputStreamReader (System.in));
if (i<=n){
System.out.println("Entrer l'element du tableau");
tab[i]=Integer.parseInt(clavier.readLine());
i=i+1; Remplir(tab); }
}
} |
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