Multiple Choice Question

Quiz Guidelines

 

Submitted by c-admin on Tue, 06/04/2019 - 00:27
QID: 
439
Type: 
Multiple Choice Question
Category: 
Java Programmer I
Tags: 
Data Types and Variables
Question: 

Given the following declarations:
        int a = 5, b = 7, k = 0;
        Integer m = null;
and the following statements:
        k = new Integer(a) + new Integer(b);  //1
        k = new Integer(a) + b; //2
        k = a + new Integer(b); //3
        m = new Integer(a) + new Integer(b); //4

Executed independent of each other, what will be the value of k (for //1, //2, and //3)
and m (for //4) after execution of each of these statements?

Select 1 option

A. 12    
will not compile
will not compile
12
B. will not compile
will not compile
will not compile
12
C. 12
12
12
D. will not compile
will not compile
will not compile
will not compile 
E. 12
12
12
will not compile

Q&A Set: 
Set 6