class MyThread2 extends Thread

Hi Friend,

Try the following code:

import java.io.*;
import java.util.*;
class MyThread1 extends Thread {
private PipedReader pr;

private PipedWriter pw;

MyThread1(PipedReader pr, PipedWriter pw) {
this.pr = pr;
this.pw = pw;
}

public void run() {
try {
int i;
for (i=1;i<10;i++)
{
int j;
for (j=2; j<i; j++)
{
int n = i%j;
if (n==0)
{
break;
}
}
if(i == j)
{
pw.write(i+"\n");
} 
}

pw.close();



} catch (IOException e) {
}
}
}

class MyThread2 extends Thread {
private PipedReader pr;
private PipedWriter pw;

MyThread2(PipedReader pr, PipedWriter pw) {
this.pr = pr;
this.pw = pw;
}
public void run() {
try {
int f1, f2 = 1, f3 = 1;
for (int i = 1; i <10; i++) {
pw.write(f3+"\n");
f1 = f2;
f2 = f3;
f3 = f1 + f2;
}
pw.close();
} catch (IOException e) {
}
}
}
class MultithreadedProgram {
public static void main(String[] args) throws Exception {
ArrayList list1=new ArrayList();
ArrayList list2=new ArrayList();
PipedWriter pw1 = new PipedWriter();
PipedReader pr1 = new PipedReader(pw1);
MyThread1 mt1 = new MyThread1(pr1, pw1);
System.out.println("Prime Numbers: ");
mt1.start();
int item1;
while ((item1 = pr1.read()) != -1){
char ch1=((char) item1); 
System.out.print(Character.toString(ch1));
list1.add(Character.toString(ch1));
}
pr1.close();
PipedWriter pw2 = new PipedWriter();
PipedReader pr2 = new PipedReader(pw2);
MyThread2 mt2 = new MyThread2(pr2, pw2);
System.out.println("Fibonacci Numbers: ");
mt2.start();
int item2;
while ((item2 = pr2.read()) != -1){
char ch2=((char) item2); 
System.out.print(Character.toString(ch2));
list2.add(Character.toString(ch2));
}
pr2.close();
System.out.println("Elements common to both lists are:");
list1.retainAll(list2);
for(int i=0;i<list1.size();i++){
System.out.print(list1.get(i));
}

}
}

Thanks

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