first commit

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();
+  }
+}