Near Hire 2017 Pretest

What would be the result of attempting to compile and run the followingprogram?

• A.

  The program will fail to compile, since the static method main is trying to call the nonstatic method func.

• B.

  The program will fail to compile, since the non-static method func cannot access the static member variable ref.

• C.

  The program will fail to compile, since the argument args passed to the static method main cannot be passed on to the non-static method func.

• D.

  The program will fail to compile, since method func is trying to assign to the nonstatic member variable 'arguments' through the static member variable ref.

• E.

  The program will compile and run successfully.

Which of the following are valid code snippets appearing in a method? You hadto select 3 options.

• A.

  Int a = b = c = 100;

• B.

  Int a, b, c; a = b = c = 100;

• C.

  Int a, b, c=100;

• D.

  Int a=100, b, c;

• E.

  Int a= 100 = b = c;

Which of the following corrections can be applied to the above code (independently) sothat it compiles without any error? You had to select 2 options.

• A.

  Replace the method body of m2() with a ; (semi-colon).

• B.

  Replace the ; at the end of m1() with a method body.

• C.

  Remove abstract from m2().

• D.

  Remove abstract from the class declaration.

Which of these statements are true? You had to select 2 options

• A.

  A static method can call other non-static methods in the same class by using the 'this' keyword.

• B.

  A class may contain both static and non-static variables and both static and non-static methods.

• C.

  Each object of a class has its own copy of each non-static member variable.

• D.

  All methods in a class are implicitly passed a 'this' parameter when called.

Which of the given options can be successfully inserted at line 1? You had toselect 3 options.

• A.

  Import java.lang.*;

• B.

  Package p.util;

• C.

  Public class MyClass{ }

• D.

  Abstract class MyClass{ }

Which is the earliest line in the following code after which the object created on line // 1 can be garbage collected, assuming no compiler optimizations are done?

What should be inserted at //1 so that TestClass will compile and run? You had to select 2 options.

• A.

  Import static x.y.*

• B.

  Import static x.y.SM;

• C.

  Import static x.y.SM.foo;

• D.

  Import static x.y.SM.foo();

• E.

  Import static x.y.SM.*;

Which two items can legally be contained within a Java class declaration?

• A.

  An import statement

• B.

  A field declaration

• C.

  A method declaration

• D.

  A package declaration

What is the result if the integer xVar is 9?

What will be result of attempting to compile this class?

• A.

  The class will fail to compile, since the class OtherClass is used before it is defined.

• B.

  There is no problem with the code.

• C.

  The class will fail to compile, since the class OtherClass must be defined in a file called OtherClass.java

• D.

  The class will fail to compile.

• E.

  None of the above.

Which one do you like?

• A.

  The program will fail to compile.

• B.

  The program will throw a NullPointerException when run with zero arguments.

• C.

  The program will print "no arguments" when called with zero argument and "1 arguments" when called with one argument.

• D.

  The program will print "no arguments" and "2 arguments" when called with zero and one arguments.

• E.

  The program will print "no arguments" and "3 arguments" when called with zero and one arguments.

What can be inserted at // 1, which will make the object referred to by obj eligible for garbage collection?

• A.

  Obj.destroy();

• B.

  Runtime.getRuntime().gc();

• C.

  Obj = null;

• D.

  Obj.finalize();

• E.

  Obj.name = null; as well as obj = null;

Given the following code, which statements can be placed at the indicatedposition without causing compile and run time errors? You had to select 3 options.

• A.

  I = this.i1;

• B.

  I = this.i2;

• C.

  This = new Test( );

• D.

  This.i = 4;

• E.

  This.i1 = i2;

Which code fragment must be inserted at line 12 to enable the code to compile?

• A.

  DB Configuration f; return f;

• B.

  Return DBConfiguration;

• C.

  Return new DBConfiguration();

• D.

  Return 0;

What is the result?