Welcome to the Multithreading MCQs Page
Dive deep into the fascinating world of Multithreading with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Multithreading, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Multithreading, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.
Check out the MCQs below to embark on an enriching journey through Multithreading. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Multithreading. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Multithreading MCQs | Page 7 of 10
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public class Test107 implements Runnable
{
private int x;
private int y;
public static void main(String args[])
{
Test107 that = new Test107();
(new Thread(that)).start();
(new Thread(that)).start();
}
public synchronized void run()
{
for(int i = 0; i < 10; i++)
{
x++;
y++;
System.out.println("x = " + x + ", y = " + y); /* Line 17 */
}
}
}
public class Test
{
public static void main (String [] args)
{
final Foo f = new Foo();
Thread t = new Thread(new Runnable()
{
public void run()
{
f.doStuff();
}
});
Thread g = new Thread()
{
public void run()
{
f.doStuff();
}
};
t.start();
g.start();
}
}
class Foo
{
int x = 5;
public void doStuff()
{
if (x < 10)
{
// nothing to do
try
{
wait();
} catch(InterruptedException ex) { }
}
else
{
System.out.println("x is " + x++);
if (x >= 10)
{
notify();
}
}
}
}
class MyThread extends Thread
{
public static void main(String [] args)
{
MyThread t = new MyThread();
Thread x = new Thread(t);
x.start(); /* Line 7 */
}
public void run()
{
for(int i = 0; i < 3; ++i)
{
System.out.print(i + "..");
}
}
}
class MyThread extends Thread
{
MyThread()
{
System.out.print(" MyThread");
}
public void run()
{
System.out.print(" bar");
}
public void run(String s)
{
System.out.println(" baz");
}
}
public class TestThreads
{
public static void main (String [] args)
{
Thread t = new MyThread()
{
public void run()
{
System.out.println(" foo");
}
};
t.start();
}
}
class MyThread extends Thread
{
public static void main(String [] args)
{
MyThread t = new MyThread();
t.start();
System.out.print("one. ");
t.start();
System.out.print("two. ");
}
public void run()
{
System.out.print("Thread ");
}
}
class MyThread extends Thread
{
MyThread() {}
MyThread(Runnable r) {super(r); }
public void run()
{
System.out.print("Inside Thread ");
}
}
class MyRunnable implements Runnable
{
public void run()
{
System.out.print(" Inside Runnable");
}
}
class Test
{
public static void main(String[] args)
{
new MyThread().start();
new MyThread(new MyRunnable()).start();
}
}
class s1 implements Runnable
{
int x = 0, y = 0;
int addX() {x++; return x;}
int addY() {y++; return y;}
public void run() {
for(int i = 0; i < 10; i++)
System.out.println(addX() + " " + addY());
}
public static void main(String args[])
{
s1 run1 = new s1();
s1 run2 = new s1();
Thread t1 = new Thread(run1);
Thread t2 = new Thread(run2);
t1.start();
t2.start();
}
}
public class Q126 implements Runnable
{
private int x;
private int y;
public static void main(String [] args)
{
Q126 that = new Q126();
(new Thread(that)).start( ); /* Line 8 */
(new Thread(that)).start( ); /* Line 9 */
}
public synchronized void run( ) /* Line 11 */
{
for (;;) /* Line 13 */
{
x++;
y++;
System.out.println("x = " + x + "y = " + y);
}
}
}
class Happy extends Thread
{
final StringBuffer sb1 = new StringBuffer();
final StringBuffer sb2 = new StringBuffer();
public static void main(String args[])
{
final Happy h = new Happy();
new Thread()
{
public void run()
{
synchronized(this)
{
h.sb1.append("A");
h.sb2.append("B");
System.out.println(h.sb1);
System.out.println(h.sb2);
}
}
}.start();
new Thread()
{
public void run()
{
synchronized(this)
{
h.sb1.append("D");
h.sb2.append("C");
System.out.println(h.sb2);
System.out.println(h.sb1);
}
}
}.start();
}
}Suggested Topics
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