Create an account to track your scores
and create your own practice tests:
Test:Computer Science
Consider the following code:
Object[] objects = new Object[20];
for(int i = 0; i < objects.length; i++) {
switch(i % 4) {
case 0:
objects[i] = new Integer(i + 3);
break;
case 1:
objects[i] = "This val: " + i;
break;
case 2:
objects[i] = new Double(i * 4.4);
break;
case 3:
objects[i] = "That val: " + (i*12);
break;
}
}
String s = (String)objects[8];
System.out.println(s);
1. | What is the error in the code above? |
There will be a NullPointerException.
There is an array overrun.
You cannot assign various types to the array in that manner.
There will be a ClassCastException thrown.
There are no errors.
Computer Science Tutors in Top Cities:
Atlanta Computer Science Tutors,Austin Computer Science Tutors,Boston Computer Science Tutors,Chicago Computer Science Tutors,Dallas Fort Worth Computer Science Tutors,Denver Computer Science Tutors,Houston Computer Science Tutors,Kansas City Computer Science Tutors,Los Angeles Computer Science Tutors,Miami Computer Science Tutors,New York City Computer Science Tutors,Philadelphia Computer Science Tutors,Phoenix Computer Science Tutors,San Diego Computer Science Tutors,San Francisco-Bay Area Computer Science Tutors,Seattle Computer Science Tutors,St. Louis Computer Science Tutors,Tucson Computer Science Tutors,Washington DC Computer Science Tutors
Popular Courses & Classes
ACT Courses & Classes in Phoenix,GMAT Courses & Classes in Philadelphia,Spanish Courses & Classes in Los Angeles,SAT Courses & Classes in Los Angeles,GRE Courses & Classes in Dallas Fort Worth,ISEE Courses & Classes in Philadelphia,SAT Courses & Classes in New York City,SSAT Courses & Classes in Washington DC,MCAT Courses & Classes in Seattle,GRE Courses & Classes in Los Angeles
Popular Test Prep
ACT Test Prep in Denver,ISEE Test Prep in Miami,GRE Test Prep in San Diego,GRE Test Prep in Dallas Fort Worth,ISEE Test Prep in Seattle,SSAT Test Prep in Washington DC,SSAT Test Prep in Chicago,ISEE Test Prep in San Diego,ISEE Test Prep in New York City,GMAT Test Prep in Los Angeles