here in this java code we are swapping both the arrays, in this case only the memory reference of arrays is changing or there is swapping of elements between A and B? What would be the time complexity O(1) or O(m+n) where m and n are sizes of arrays A and B respectively. This piece of code was found on
Tag: arrays
Validating elements of a 2D array
My code for making sure an element isn’t over 100 or less than 0 is: Except no matter what the input is the answer is always true My input array is test should = false if I input this no? College rules mean I cannot use break; or return anywhere other than the end of the sub module. Answer You
How come declaring something as a double data type would lead the ide to think it is a integer?
I am very confused on how a declared double data type would lead to the intellij ide to believe I was requiring a int to declare. Can someone give me some insight on this? Here is the code in a picture: enter image description here Answer Double Data type : The double data type is a double-precision 64-bit IEEE 754
Convert 3 arrays into 1 object array using Streams
Lets say I have the following three arrays: int r[] = {255,255,255}; int g[] = {0,0,0}; int b[] = {255,255,255}; All arrays will have same length. I want to convert them into an array of objects of …
how to find already values in the array element
I need to insert a student ID to the id array and find out whether or not that number already exists. So now when i run this program first it asks me to input student ID then check the whole ID array …
Detecting last character
Im trying to detect whether the last character of a string contains an operator using an array checker that was previously used for integers. For some reason the code will always display “Not In” Even …
Why my IF can’t get some of my ArrayList’s indexes?
My idea here is to check whether the elements of my ArrayList start with A, B, C, or with another letter, but for some reason, my IF can’t get some words, such as “Almofada”. Output Answer Your issue is with your for loop. You are incrementing the index ‘i’ on each iteration of the loop, then removing the word at
Java: Is there a more efficient way to write JFrame elements into an array?
This is my first time posting so I apologize if the question is too vague or I do not describe my problem so well. I am working on a Java JFrame project and have run into a small issue. I need to instantiate arrays of various frame elements. What I have done as of now works, however, it is very
Java 14 records and arrays
Given the following code: It seems, obviously, that array’s toString, equals methods are used (instead of static methods, Arrays::equals,Arrays::deepEquals or Array::toString). So I guess Java 14 Records (JEP 359) don’t work too well with arrays, the respective methods have to be generated with an IDE (which at least in IntelliJ, by default generates “useful” methods, i.e. they use the static
Printing a snake pattern using an array
I’m having trouble with an assignment where we are required to print out this array: My code is somewhat correct but it is not printing 10 and 19 where it should be. My output: My code: Can anyone detect what is causing the error? Any help would be appreciated. Answer This will generate the “snaking” pattern you described. It could