java全英文试题，侧重基础知识

1. Which of the following method in JUnit would clean the common objects?

a) setUp()

b) constructor()

c) teardown()

d) Ignore

2. ‘this’ is used for referring

a) Super class object

b) The object invoked the method

b) Only i

c) Only ii

d) Neither i and ii

4. An abstract class

a) Can neither be instantiated nor it can be referenced

b) Can be instantiated

c) Can be referenced

d) Cannot have data members

5. Consider a class called Student. Which among the following is true about the following

statement?

a) this . methodName()

b) methodName()

c) super.methodName()

d) none of the options

7. Which of the following statement are true with respect to final keyword?

i. If a method is marked as final it will not be inherited in sub classes

ii. Classes can be marked as final but not methods

a) Only i and ii

b) Only iii and iv

c) Only i and iii

d) All i , ii ,iii and iv

8. What would be the output when the following program is compiled /run?

Public class Boxer {

a) 101000

b) 10100

d) Compiler error

9. Which of the following statements is true regarding QA4J?

i. It does the static analysis of the code before being tested.

a) Both i and ii

b) Only ii

}

a) Integer obj3=0;

b) Obj2=null;

c) Obj1=null;

11. Which of the following is false about the Assertion in JUnit?

12. What is output of the following code

}

}

Class SecondClass extends FirstClass{

SecondClass(){

System.out.println (“2”);

}

Public static void main (String [] args){

SecondClass sc=new SecondClass();

System.out.println(“3”);

}