Q&A Discussions
How does it calculate?
1 Vote
1 Answer
What are arrays used for?
4 Votes
10 Answers
I don't understand.
0 Votes
2 Answers
What error is this?
0 Votes
6 AnswersGot this error
0 Votes
12 AnswersArray or list?
0 Votes
1 Answer
why it gives me error?
1 Vote
5 Answers
What are matrices??
0 Votes
2 Answers
Array: What is error?
4 Votes
1 Answer
Array length
0 Votes
1 Answer
How do i exclude min and max values from an array considering there are 5 values. I want to ignore the max n min value and take the average of the rest 3.
1 Vote
4 Answers
I didnt understan
0 Votes
1 Answer
Country A's population is 50 million and growth rate is 3% And Country B's population is 70 million and growth rate is 2%. In how many years Country A surpass Country B??
3 Votes
6 Answers
public class Program {
public static void main(String[] args) {
int [ ] myArr = {6, 42, 3, 7};
int sum=0;
for(int x=0; x<myArr.length; x++) {
sum += myArr[x];
}
System.out.println(sum);
}
}
very lovely program. please who can explain the meaning of "+=" in the code?
0 Votes
5 Answers
Why is a[1]=1?
2 Votes
6 Answers
can we write multi dimensional array like int arr[][] ={1,2,3,4,5,6} instead of int arr[][] ={{1,2,3},{4,5,6}}
2 Votes
2 Answers
Multidimensional Arrays
0 Votes
1 Answer
how do are writw the code to arrange the following array in ascending order
200 190 100 96 102 82 122
1 Vote
2 Answers
double arr[]={5,2,7,8,11,9};
int n = sizeof(arr) / sizeof(arr[0]);
double sum = 0;
for(int i=0;i<n;i++)
{
sum+= arr[i];
}
double avg = sum / n;
cout<< "avarage ="<< avg<< endl;
return 0;
)
/*what does int n= sizeof(arr[]) /sizeof(arr[0]);
do, can someone explain that line for me*/
0 Votes
3 Answersok so why was the correct answer arr and not total? since total was what was being declared as
0 Votes
3 Answers
public class Program {
public static void main(String[] args) {
int[ ][ ] myArr = { {1, 2, 3}, {4}, {5, 6, 7} };
myArr[0][2] = 42;
int x = myArr[1][0];
System.out.println(x);
}
}
0 Votes
7 Answers
public class Program {
public static void main(String[] args) {
int [ ] myArr = {6, 42, 3, 7};
int sum=0;
for(int x=0; x<myArr.length; x++) {
sum += myArr[x];
}
System.out.println(sum);
}
}
1 Vote
7 Answers
length or length() ?
0 Votes
5 Answers
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