A package is a collection of

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Question:
A package is a collection of

1.Classes and Interfaces

2.Classes

3.Editing tools

4.Editing tools and Interfaces

Posted Date:-2021-10-25 05:16:02

More MCQS Questions and answers

  1. A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?
  2. A package is a collection of
  3. ate regarding the following classes? class A{private int i; protected int j; } class B extends A{ private int k; protected int m; }
  4. Choose the correct statement : Restriction on static methods are-
  5. Choose the correct statement public class Circle{ private double radius; public Circle(double radius){ radius = radius; } }
  6. Executable applet is
  7. Hot java is
  8. How many keywords are available in java
  9. How many transaction isolation levels are defined in java.sql.Connection interface
  10. In Java arrays are
  11. In which we clone the object and their constituent parts
  12. Interfaces helps in which type of inheritance
  13. Java intermediate code is known as
  14. Java is known as _______stage language
  15. javah stands for
  16. Main method parameter has which type of data type
  17. Name the keyword that makes a variable belong to a class, rather than being defined for each instance of the class.
  18. Output : public class Test{ public static void main(String args[]){ String x = "hellow"; int y = 9; System.out.println(x += y); } }
  19. Smallest individual unit in java program is known as
  20. Suppose a class has public visibility. In this class we define a protected method. Which of the following statements is correct?
  21. The object is created with "new" keyword
  22. The output of the following fraction of code is public class Test{ public static void main(String args[]){ String s1 = new String("Hello"); String s2 = new String("Hellow"); System.out.printl
  23. The String method compareTo() returns
  24. toString() method is defined in
  25. What do you mean by javap
  26. What is jdb
  27. What is meaning of jar
  28. What is output of the following code: public class Test{public static void main(String[] args){ int[] x = {120, 200, 016 }; for(int i = 0; i < x.length; i++)System.out.print(x[i] + " "); } }
  29. What is the result of compiling and running the following code? public class Test{ public static void main(String[] args){ int[] a = new int[0]; System.out.print(a.length); } }
  30. What is the value of a[1] after the following code is executed? int[] a = {0, 2, 4, 1, 3}; for(int i = 0; i < a.length; i++) a[i] = a[(a[i] + 3) % a.length];
  31. What will be the output? public class Test{ public static void main(String[] arg{ int[] a = new int[4]; a[1] = 1; a = new int[2]; System.out.println("a[1] is " + a[1]); } }
  32. What will be the output? String str1 = "abcde"; System.out.println(str1.substring(1, 3));
  33. When you pass an array to a method, the method receives ________ .
  34. Which command disassembles a class file
  35. Which command is used for interpretation of java program
  36. Which driver is called as thin-driver in JDBC
  37. Which driver is efficient and always preferable for using JDBC applications
  38. Which is the predefined package
  39. Which keyword is used while using interface
  40. Which keyword represents object of the present class
  41. Which method of java is invoked by JVM to reclaim the inaccessible memory location
  42. Which method of the Applet class displays the result of applet code on screen
  43. Which of the following command is used to compile the Java program
  44. Which one of the following is a valid statement?
  45. Which will legally declare, construct, and initialize an array?
  46. ____ allows java code to run in the JVM to call and be called by native applications
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