first commit

Multi.java

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+// write a java code by extending thread class
+class Multi extends Thread{
+  public void run(){
+    System.out.println("Thread is running");
+  }
+  public static void main(String args[]){
+    Multi t1 = new Multi();
+    t1.start();
+  }
+}

Multi3.java

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+// write a java code by implementing runnable interface.
+
+class Multi3 implements Runnable{
+  public void run(){
+    System.out.println("thread is running...");
+  }
+  public static void main(String args[]){
+    Multi3 m1 = new Multi3();
+    Thread t1 = new Thread(m1);
+    t1.start();
+  }
+}

MultipleThread.java

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+// write a java program for multiple thread acting on a single object
+public class MultipleThread implements Runnable{
+  String task;
+  MultipleThread(String task){
+    this.task = task;
+  }
+  public void run(){
+    for(int i=0;i<=5;i++){
+      System.out.println(task + ":" + i);
+      try{
+        Thread.sleep(1000);
+      }catch(InterruptedException e){
+        e.printStackTrace();
+      }
+    }
+  }
+  public static void main(String args[]){
+    Thread nThread = Thread.currentThread();
+    System.out.println("Name of the Thread: " + nThread);
+    MultipleThread mt = new MultipleThread("Hello Java");
+    Thread t1 = new Thread(mt);
+    Thread t2 = new Thread(mt);
+    Thread t3 = new Thread(mt);
+    t1.start();
+    System.out.println("thread" + t1 );
+    t2.start();
+    System.out.println("thread " + t2);
+    t3.start();
+
+    int count = Thread.activeCount();
+    System.out.println("No of active threads: " + count);
+  }
+}

MyThread.java

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+// write a java code for two thread performing two task at a time 
+public class MyThread extends Thread{
+  String task;
+  MyThread(String task){
+    this.task = task;
+  }
+  public void run(){
+    synchronized(this) {  
+      for(int i=1;i<=5;i++){
+        System.out.println(task + ":" + i);
+        try {
+          Thread.sleep(1000);
+        }catch(InterruptedException ie){
+          System.out.println(ie.getMessage());
+        }
+      }
+    }
+  }
+  public static void main(String args[]){
+    MyThread th1 = new MyThread("Cut the ticket");
+    MyThread th2 = new MyThread("Show your seat number");
+    th1.start();
+    th2.start();
+  }
+}

RunnableTest.java

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+class x implements Runnable{
+  public void run(){
+    for(int i=0;i<=5;i++){
+      System.out.println("The Thread x is: " + i);
+    }
+
+    System.out.println("End of the Thread x");
+  }
+}
+
+class RunnableTest{
+  public static void main(String args[]){
+    x r = new x();
+    Thread threadx = new Thread(r);
+    threadx.start();
+    System.out.println("The End of the main thread");
+  }
+}
+

TestMultiPriority1.java

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+// write a java code for demonstrating thread priority
+class TestMultiPriority1 extends Thread{
+  public void run(){
+    System.out.println("running thread name is: " + Thread.currentThread().getName());
+    System.out.println("running thread priority is: " + Thread.currentThread().getPriority());
+  }
+  public static void main(String[] args) {
+    TestMultiPriority1 m1 = new TestMultiPriority1();
+    TestMultiPriority1 m2 = new TestMultiPriority1();
+    m1.setPriority(2);
+    m2.setPriority(Thread.MAX_PRIORITY);
+    m1.start();
+    m2.start();
+  }
+}

ThreadExample1.java

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+public class ThreadExample1 extends Thread{
+  public void run(){
+    int a = 0;
+    int b = 12;
+    int result = a + b;
+    System.out.println("Thread is running");
+    System.out.println("Sum of two numbers is: " + result);
+  }
+  public static void main(String args[]){
+    ThreadExample1 t1 = new ThreadExample1();
+    t1.start();
+  }
+}

p1.java

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+// write a java code by extending thread class
+class Multi extends Thread{
+public void run(){
+    System.out.println("Thread is running");
+}
+public static void main(String args[]){
+	Multi t1 = new Multi();
+	t1.start();'
+}
+}