Naming Thread and Current Thread

Naming Thread

The Thread class provides methods to change and get the name of a thread. By default, each thread has a name i.e. thread-0, thread-1 and so on. By we can change the name of the thread by using setName() method. The syntax of setName() and getName() methods are given below:

  1. public String getName(): is used to return the name of a thread.
  2. public void setName(String name): is used to change the name of a thread.

Example of naming a thread

snippet
class TestMultiNaming1 extends Thread{
  public void run(){
   System.out.println("running...");
  }
 public static void main(String args[]){
  TestMultiNaming1 t1=new TestMultiNaming1();
  TestMultiNaming1 t2=new TestMultiNaming1();
  System.out.println("Name of t1:"+t1.getName());
  System.out.println("Name of t2:"+t2.getName());
 
  t1.start();
  t2.start();

  t1.setName("Sonoo Jaiswal");
  System.out.println("After changing name of t1:"+t1.getName());
 }
}
Output
Output:Name of t1:Thread-0 Name of t2:Thread-1 id of t1:8 running... After changeling name of t1:Sonoo Jaiswal running...

Current Thread

The currentThread() method returns a reference of currently executing thread.

snippet
public static Thread currentThread()

Example of currentThread() method

snippet
class TestMultiNaming2 extends Thread{
 public void run(){
  System.out.println(Thread.currentThread().getName());
 }
 public static void main(String args[]){
  TestMultiNaming2 t1=new TestMultiNaming2();
  TestMultiNaming2 t2=new TestMultiNaming2();

  t1.start();
  t2.start();
 }
}
Output
Output:Thread-0 Thread-1
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