CODE FOR SYNCHRONIZATION - JOIN

PROGRAM:

class Maxthread extends Thread

{

int d[ ],index;

public Maxthread(int t[ ],int i)

{

d=t;

index=i;

}

public void run()

{

int max=d[0];

for(int i=1;i<d.length;i++)

if(d[i]>max)

max=d[i];

try

{

Thread.sleep(1000);   

}

catch(Exception e)

{

}

Joineg.v[index]=max;

System.out.println("\nMaximum of "+index+" Array is::"+max);

}

}

class Maxmax extends Thread

{

Thread a,b,c;

Maxmax(Thread t1,Thread t2,Thread t3)

{

a=t1;

b=t2;

c=t3;

}

public void run()

{

try

{

a.join();

b.join();

c.join();

}

catch(Exception e)

{

}

int m=Joineg.v[0];

for(int i=1;i<Joineg.v.length;i++)

{

if(Joineg.v[i]>m)

m=Joineg.v[i];

}

System.out.println("\n\nMaximum of all Three Array is::"+m);

}

}

class Joineg

{

static int v[ ]=new int[3];

public static void main(String arg[ ])

{

int x[ ]={125,256,302,14,436};

int y[ ]={347,137,618,198,1010};

int z[ ]={27,101,113,213,513};

Maxthread t,t2,t3;

t=new Maxthread(x,0);

t2=new Maxthread(y,1);

t3=new Maxthread(z,2);

Maxmax t1=new Maxmax(t,t2,t3);

t.start();

t1.start();

t2.start();

t3.start();

}

}

OUTPUT:

Maximum of 0 Array is::436

Maximum of 1 Array is::1010

Maximum of 2 Array is::513

Maximum of all Three Array is::1010