programming languages Online Quiz - 200 Online Test

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programming languages Online Quiz - 200

Description: programming languages Online Quiz - 200
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: programming languages

The following code creates one array and one string object. which object is eligible for garbage collection after the code executes? ... String[] students = new String[10]; String studentName = "Peter Parker"; students[0] = studentName; studentName = null; ...

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Array Object
Neither Object
String Objec
Both of the Objects

Singleton class can have?

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More than one Object
No Objects
Only One Objects.
Two Objects.

Identify the following. x. public final String getDetails(final File file, final String key) throws IOException y. getDetails(File, String)

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X is a method Signature and Y is a method Header
Both X and Y is a method Header
X is a method Header and Y is a method Signature
Both X and Y is a method Signature

Static nested classes do not have access to

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Its non-static members
Static members of the enclosing class
Its Static members
Non-Static members of the enclosing class

Facilities that are provided by Runtime class are:

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Reading data through key board
Using system properties and environment variables
Running non-java programs from within a java application.
All of the Above
None of the Above

Which of the following statements accurately describe the use of access modifiers within a class definition?

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They can be applied to both data & methods
They must precede a class's data variables or methods
They can follow a class's data variables or methods
They can appear in any order
They must be applied to data variables first and then to methods

What modifiers may be used with top-level class?

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Public
Private
Abstract
Final
Protected

What is the output of the following Program public class withoutmain{ static{ System.out.println("without the main method"); System.exit(0); } }

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Compile failure
sucessfully compiled, but through exception in run time
It runs sucessfuly and prints "without the main method"
It runs sucessfuly, but No output.

Class C { public static void main(String[] args) { int[]a1[]=new int[3][3]; //3 int a2[4]={3,4,5,6}; //4 int a2[5]; //5 } } What is the result of attempting to compile and run the program ?

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compiletime error at lines 3,4,5
compiltime error at line 4,5
compiletime error at line 3
Runtime Exception

class C1 { static interface I { static class C2 { } } public static void main(String a[]) { C1.I.C2 ob1=new C1.I.C2(); System.out.println("object created"); } } What is the result of attempting to compile and run the program?

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prints object created
Compile time error
Runtime Excepion
None of the above

What is the output of following Program class C{ static int f1(int i) { System.out.print(i + ","); return 0; } public static void main (String[] args) { int i = 0; i = i++ + f1(i); System.out.print(i); } }

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Prints: 0,0
Prints: 1,0
Prints: 0,1
Compile-time error

class c1{ public static void main(String a[]) { c1 ob1=new c1(); Object ob2=ob1; System.out.println(ob2 instanceof Object); System.out.println(ob2 instanceof c1); } } What is the result of attempting to compile and run the program?

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Prints true,false
Print false,true
Prints true,true
compile time error

class C{ public static void main(String a[]) { int i1=9; int i2; if(i1>3) { i2=8; } System.out.println(i2); }}What is the result of attempting to compile and run the program?

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compile time error
Runtim error
prints 8
prints 0

interface I { //1 public class Inner { ///2 Inner ( ) { System .out . println ( "Inner Created" ) ; } }; }; What is the result of attempting to compile and run the program?

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compile time error at line 1
compile time error at line 2
the code compiles fine
none of the above

public class withoutmain{ static{ System.out.println("without the main method"); System.exit(0); } } What is the result of attempting to compile and run the program ?

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Compile failure
sucessfully compiled, but through exception in run time.
It runs sucessfuly and prints "without the main method"
It runs sucessfuly, but No output.

Class C { public static void main(String[] args) { int[]a1[]=new int[3][3]; //3 int a2[4]={3,4,5,6}; //4 int a2[5]; //5 } } What is the result of attempting to compile and run the program ?.

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compiletime error at lines 3,4,5
compiltime error at line 4,5
compiletime error at line 3
Runtime Exception

class C1 { static interface I { static class C2 { } } public static void main(String a[]) { C1.I.C2 ob1=new C1.I.C2(); System.out.println("object created"); } } What is the result of attempting to compile and run the program?

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prints object created
Compile time error
Runtime Excepion
None of the above

class C{ static int f1(int i) { System.out.print(i + ","); return 0; } public static void main (String[] args) { int i = 0; i = i++ + f1(i); System.out.print(i); } } What is the result of attempting to compile and run the program?

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Prints: 0,0
Prints: 1,0
Prints: 0,1
Compile-time error

Which version of Visual Studio first supported Linq for defining standard query operators

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VS2003
VS2005
VS2008
VS2010

The process of applying redo log files during recovery operation is called

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rolling backward
restore
recovery
rolling forward

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