Threads for Beginners 2

Codes

class A {

      public static void main(String[] args) {

            System.out.println("Before");

            Thread.sleep(1000);

            System.out.println("After");

      }

}

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class A {

      public static void main(String[] args) {

            System.out.println("Before");

            try {

                  Thread.sleep(1000);

            } catch (Exception e) {

                  System.out.println(e);

            }

            System.out.println("After");

      }

}

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class A {

      void sleepPrograme() {

            try {

                  Thread.sleep(1000);

                  System.out.println("After");

            } catch (Exception e) {

                  System.out.println(e);

            }

      }

      public static void main(String[] args) {

            A a = new A();

            System.out.println("Before");

            a.sleepPrograme();

      }

}

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class A {

      public static void main(String[] args) {

            Thread t=Thread.currentThread();

            System.out.println(t.getName());

      }

}

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class A {

      public static void main(String[] args) {

            Thread t=Thread.currentThread();

            t.setName("My Thread");

            System.out.println(t.getName());

      }

}

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class A {

      public static void main(String[] args) {

            Thread t = Thread.currentThread();

            t.setName("My Thread");

            Thread t1 = Thread.currentThread();

            System.out.println(t1.getName());

      }

}

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class A {

      public static void main(String[] args) {

            Thread t1 = Thread.currentThread();

            System.out.println(t1.getId());

      }

}

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class A {

      public static void main(String[] args) {

            Thread t1 = Thread.currentThread();

            System.out.println(t1.getPriority());

      }

}

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class A {

      public static void main(String[] args) {

            Thread t1 = Thread.currentThread();

            t1.setPriority(3);

            System.out.println(t1.getPriority());

      }

}

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class A {

      public static void main(String[] args) {

            Thread t1 = Thread.currentThread();

            t1.setPriority(Thread.MIN_PRIORITY);

            System.out.println(t1.getPriority());

      }

}

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class A {

      public static void main(String[] args) {

            System.out.println(Thread.MIN_PRIORITY);

            System.out.println(Thread.NORM_PRIORITY);

            System.out.println(Thread.MAX_PRIORITY);

      }

}

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class A {

      public static void main(String[] args) {

            Thread t = Thread.currentThread();

            System.out.println(t.getState());

      }

}

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class A extends Thread {

      private int i;

      public void run() {

            i = 1;

      }

      public static void main(String[] args) {

            A a = new A();

            a.start();

            System.out.print(a.i);

      }

}

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class A extends Thread {

      private int i;

      public void run() {

            i = 1;

      }

      public static void main(String[] args) {

            A a = new A();

            a.run();

            System.out.print(a.i);

      }

}

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class A extends Thread {

      private int i;

      public void run() {

            System.out.println(Thread.currentThread().getName());

            i = 1;

      }

      public static void main(String[] args) {

            A a = new A();

            a.start();

            //System.out.println(Thread.currentThread().getName());

            try {

                  Thread.currentThread().sleep(1000);

            } catch (InterruptedException e) {

                  // TODO Auto-generated catch block

                  e.printStackTrace();

            }

            System.out.print(a.i);

            //System.out.println(Thread.currentThread().getName());

      }

}

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