Answer Posted / madhusudhan

use of thread:1.concurrent execution of thread.
2.Program security.
Thread can be create in 2 ways
1.using Thread class
2.using Runnable interface
Example:
//first way of creating thread
class Thread1 extends Thread
{
public void run()
{
for(int i=0;i<1000;i++)
{
System.out.println(hashcode()+":"+i);
}
}
}
//second way of creating thread
class Thread2 implements Runnable
{
public void run()
{
for(int i=1000;i<2000;i++)
{
System.out.println(hashcode()+":"+i);
}
}
}
public class M
{
public static void main(String args[])
{
Thread1 t1=new Thread1();
t1.start();
Thread2 t2=new Thread2();
Thread t=new Thread(t2);
t.start();
}
}

Is java same as core java?

597

---

How do constructors use this() and super()?

553

---

how to run ecllipse with jettyserver for windows environment using batch file

1505

---

What is arrays sort in java?

578

---

What is the base class of all exception classes in java?

576

---

---

Explain all java features with real time examples

1212

---

What is difference between iterator and enumeration in java?

527

---

What is the SimpleTimeZone class?

1802

---

Where is const variable stored?

540

---

What are the advantages of functions?

525

---

What is bubble sorting in java?

600

---

What is the maximum size of array in java?

522

---

What is string data?

561

---

How concurrent hashmap works?

615

---

How do I get 64 bit java?

538

---