Which of these statements are incorrect?

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Question:
Which of these statements are incorrect?

1.The left shift operator can be used as an alternative to multiplying by 2.

2.The right shift operator automatically fills the higher order bits with 0.

3.The left shift operator, <<, shifts all of the bite in a value to the left specified number of times.

4.The right shift operator, >>, shifts all of the bite in a value to the right specified number of times.

Posted Date:-2021-10-25 05:31:30

More MCQS Questions and answers

  1. Decrement operator, , decreases value of variable by what number?
  2. Modulus operator, %, can be applied to which of these?
  3. On applying Left shift operator, <<, on an integer bits are lost one they are shifted past which position bit?
  4. Output : class increment { public static void main(String args[]) { double var1 = 1 + 5; double var2 = var1 / 4; int var3 = 1 + 5; int var4 = var3 / 4; System.out.print(var2 + " " + var4); } }
  5. Output : class increment { public static void main(String args[]) {int g = 3; System.out.print(++g * 8); } }
  6. Output : class Modulus { public static void main(String args[]){double a = 25.64; int b = 25; a = a % 10; b = b % 10; System.out.println(a + " " + b); } }
  7. Output : class Output { public static void main(String args[]){ int x , y; x = 10; x++; --x; y = x++; System.out.println(x + " " + y); } }
  8. Thread priority in Java is?
  9. What is multithreaded programming?
  10. What is synchronization in reference to a thread?
  11. What is the default value of priority variable MIN_PRIORITY AND MAX_PRIORITY?
  12. What is the order of precedence (highest to lowest) of following operators? 1. & 2. ^ 3. ?:
  13. What is the output of relational operators?
  14. What is the value stored in x in following lines of code? int x, y, z; x = 0; y = 1; x = y = z = 8;
  15. What should be expression1 evaluate to in using ternary operator as in this line? expression1 ? expression2 : expression3
  16. What will happen if two thread of same priority are called to be processed simultaneously
  17. What will this code print? int arr[] = new int [5]; System.out.print(arr);
  18. When does Exceptions in Java arises in code sequence?
  19. Which function of pre defined class Thread is used to check weather current thread being checked is still running?
  20. Which of the following can be operands of arithmetic operators?
  21. Which of the following operators can operate on a boolean variable?
  22. Which of these are types of multitasking?
  23. Which of these class is used to make a thread?
  24. Which of these have highest precedence?
  25. Which of these interface is implemented by Thread class?
  26. Which of these is an incorrect array declaration?
  27. Which of these is an incorrect Statement?
  28. Which of these is necessary to specify at time of array initialization?
  29. Which of these is returned by greater than, <, and equal to, ==, operator?
  30. Which of these keywords is not a part of exception handling?
  31. Which of these keywords must be used to monitor for exceptions?
  32. Which of these method is used to begin the execution of a thread?
  33. Which of these method is used to explicitly set the priority of a thread?
  34. Which of these method is used to implement Runnable interface?
  35. Which of these method of Thread class is used to find out the priority given to a thread?
  36. Which of these method of Thread class is used to Suspend a thread for a period of time?
  37. Which of these method waits for the thread to treminate?
  38. Which of these method waits for the thread to treminate?
  39. Which of these operators can skip evaluating right hand operand?
  40. Which of these operators is used to allocate memory to array variable in Java?
  41. Which of these packages contain all the Java's built in exceptions?
  42. Which of these statement is correct?
  43. Which of these statement is incorrect?
  44. Which of these statements are incorrect?
  45. Which of these statements are incorrect?
  46. Which of these statements are incorrect?
  47. Which of these statements is incorrect?
  48. Which operator is used to invert all the digits in binary representation of a number?
  49. Which right shift operator preserves the sign of the value?
  50. With x = 0, which of the following are legal lines of Java code for changing the value of x to 1? 1. x++; 2. x = x + 1; 3. x += 1; 4. x =+ 1;
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