citire string de la cele 2 capete.c

package pack;

public class Fir1 extends Thread {
Text t;
public Fir1(Text t){
this.t=t;
}
public void run(){
int i;
for(i=0;i<t.tab.length;i++){
t.increment();
System.out.println("stg"+t.stg+" "+t.tab[t.stg]);

}
}
}

package pack;

public class Fir2 extends Thread {

Text t;

public Fir2(Text t){

this.t=t;

}

public void run(){

int i;

for(i=0;i<t.tab.length;i++){

t.decrement();

System.out.println("drt" +t.drt+" "+t.tab[t.drt]);

}

}

}

package pack;

import java.io.*;

public class Test {

/**

* @param args

*/

public static void main(String[] args) {

try{

BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

String line;

System.out.println("Dati String-ul: ");

line=in.readLine();

Text t=new Text(line);

Fir1 f1=new Fir1(t);

Fir2 f2=new Fir2(t);

f1.start();

f2.start();

}catch(IOException e){

System.out.println("Exceptie IO");

}

}

}

package pack;

public class Text {

public char[] tab;

public String line;

public int drt=0;

public int stg=-1;

public int index1=0;

public int index2=0;

public Text(String line){

this.line=line;

tab=line.toCharArray();

drt=tab.length;

index2=tab.length;

}

public synchronized void increment(){

while(stg>=tab.length/2){

try{

wait();

}catch(InterruptedException e){

System.out.println("Thread Intrerupt");

}

}

stg++;

notifyAll();

}

public synchronized void decrement(){

while(drt<=tab.length/2){

try{

wait();

}catch(InterruptedException e){

System.out.println("Thread Intrerupt");

}

}

drt--;

notifyAll();

}

}