contain « Array Integer « Java Collection Q&A

1. Arrays.contains(int) error    stackoverflow.com

can i ask why does the following output FALSE?

import java.util.Arrays;


public class Test2 {

    public static void main(String[] args) {
        new Test2();
 ...

2. if a class in its constructor contains an int,, and an array.. how can i use the array in another class.?    stackoverflow.com

class C()
{
  num =4;
  int[] a = new int[5];
}

C c1 = new C();

3. Read a TXT file containing two integer columns and save into two arrays in java    stackoverflow.com

I have a text file containing the following content:

0 12
1 15
2 6
3 4
4 3
5 6
6 12
7 8
8 8
9 9
10 13

4. Can an array contain integers and floats    stackoverflow.com

Somebody asked me: can an array in java contain integers and floats? She got that question from a teacher. Now my answer was: yes, since you can declare an array of ...

5. How do I search for one array whose contents match another?    stackoverflow.com

I have an ArrayList of int arrays that is returning false when I ask if it contains the specified coordinates. It does contain the coordinates I request so it should return ...

6. Detect if an array contains integer or double    stackoverflow.com

I'm working on a project that requires me to have a string representation of an array. The problem is having this duplicated code, that I'm sure can be refactored in some ...

7. trying to find union/intersection of arrays containing integers    coderanch.com

let me open with this: i suck at arrays/programming. here's my assignment: Read two sets of numbers from the keyboard. Print the intersection of the two sets, in any order, without duplicates. Print the union of the two sets, in any order, without duplicates. okay, great. so i have this: import java.util.*; public class Sets { public static void main(String[] args) ...

8. array containing int strings    java-forums.org

9. Array containing integers pointing to nodes    forums.oracle.com

Ok I realise this style isn't very widley used but I'm curious as to how to code something to that effect. Say I take an array of size 9 and place the numbers 0-8 in each of the elements. If I then put in a new line that said "Insert into the 0th row a node that contains the number 100, ...