programming languages Online Quiz - 134
Description: programming languages Online Quiz - 134 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: programming languages |
When assigning a value to a reference variable, type doesn't matter.
class Hello{} class Hai extends Hello{} class Me{ static int x=7; static String s=null; public static void getWeight(Hello m){ int y=0/x; System.out.print(s+""); } public static void main(String [] args){ Hello [] ha={new Hello(),new Hai()}; for(Object o:ha) getWeight((Hello)o); } } When i run as--- java Me.java
What is the result? class Circus { public static void main(String[] args) { int x = 9; int y = 6; for(int z = 0; z < 6; z++, y--) { if(x > 2) x--; label: if(x > 5) { System.out.print(x + " "); --x; continue label; } x--; } } }
class MyThread extends Thread { MyThread() { System.out.print(" MyThread"); } public void run() { System.out.print(" bar"); } public void run(String s) { System.out.print(" baz"); } } public class TestThreads { public static void main (String [] args) { Thread t = new MyThread() { public void run() { System.out.print(" foo"); } }; t.start(); } } What is the result?
public static synchronized void main(String[] args) throws InterruptedException { Thread t = new Thread(); t.start(); System.out.print("X"); t.wait(10000); System.out.print("Y"); } What is the result of this code?
import static java.lang.System.*; class _ { static public void main(String... _A_V) { String $ = ""; for(int x=0; ++x < _A_V.length; ) $ += _A_V[x]; out.println($); } } And the command line: java _ - A .
- class Dog { } 2. class Beagle extends Dog { } 3. 4. class Kennel { 5. public static void main(String [] arfs) { 6. Beagle b1 = new Beagle(); 7. Dog dog1 = new Dog(); 8. Dog dog2 = b1; 9. // insert code here 10. } 11. } Which, inserted at line 9, will compile? (Choose all that apply.)
class Scoop { static int thrower() throws Exception { return 42; } public static void main(String [] args) { try { int x = thrower(); } catch (Exception e) { x++; } finally { System.out.println("x = " + ++x); } } } What is the result?
What will be the output of the following program?
What is the output of the program?
Which of these statements are true?