FORMATIVE ASSESSMENT 2 OOPS

Analyze the following program and find the output of theprogram? public class Test { public static void main(String[] args) { System.out.println(Math.min(Double.MIN_VALUE,0.0d)); } }

• 0
• 0.0
• 0.0D
• 0.0d

import java.io.*; class files { public static void main(String args[]) { File obj = new File("/java/system"); System.out.print(obj.getName()); } }

• java
• system
• java/system
• /java/system

What will be the output of the following Java program if input given is “abc’def/’egh”? class Input_Output { public static void main(String args[]) throws IOException{ char c; BufferedReader obj = new BufferedReader(new InputStreamReader(System.in); do { c = (char) obj.read(); System.out.print(c); } while(c!='\''); } }

• abc’
• abcdef/’
• abc’def/’egh
• abcqfghq

What is synchronization in reference to a thread?

• It’s a process of handling situations when two or more threads need access to a shared resource
• It’s a process by which many thread are able to access same shared resource simultaneously
• It’s a process by which a method is able to access many different threads simultaneously
• It’s a method that allow too many threads to access any information require

Which of these method is used to explicitly set the priority of a thread?

• set()
• make()
• setPriority()
• makePriority()

Which of these method waits for the thread to terminate?

• sleep()
• isAlive()
• join()
• stop()

What is the default value of priority variable MIN_PRIORITY AND MAX_PRIORITY?

• 0 & 256
• 0 & 1
• 1 & 10
• 1 & 256

Analyze the output of the following Java code. class newthread extends Thread { Thread t;newthread() { t = new Thread(this,"My Thread"); t.start(); } public void run() { try { t.join();System.out.println(t.getName()); } catch(Exception e) { System.out.print("Exception"); }}} class multithreaded_programing { public static void main(String args[]) { new newthread(); } }

• My Thread
• Thread[My Thread,5,main]
• Exception
• Runtime Error

Which of this method can be used to make the main thread to be executed last among all the threads?

• stop()
• sleep()
• join()
• call()

Which of these interfaces handles the event when a component is added to a container?

• ComponentListener
• ContainerListener
• FocusListener
• InputListener