All Questions
172 questions
0
votes
1
answer
56
views
understanding a part of recursion for a binary search tree
Hello I basically need to implement a recursive function for insertion of a binary tree. I already implemented the chunk of insertion function (wether it's largest or smaller than root) but there's an ...
- 11
0
votes
1
answer
95
views
How to pass array into parameters of function
I try to create alias in H2 for function with two parameters of array.
parameters: Array sourceArray,
Array subArray
Returns boolean:
TRUE if sourceArray contains all elements of subArray.
OR ELSE ...
-1
votes
1
answer
57
views
Which is a good approach either to create an array of object or to create data members as an array? [closed]
I have used two approaches to solve the Question
Here, Both Works
But what i need to know is
Which will be the Best to do
Should I create an Array of Object
or
Should I create data members as an array ...
0
votes
1
answer
99
views
merging 2 arrays in ascending order (leetcode)
class Solution{
public static void merge(int[] nums1, int m, int[] nums2, int n) {
int[] result = new int[m + n];
int i = 0, j = 0, k = 0;
while (i < m && j < n) {
if ...
0
votes
1
answer
30
views
where am ı doing wrong?
Elements in an entered array, without breaking their order, but singularly.
Write a program that casts it into a new array. For example, if the input is {3, 3, 87,56,1, 87, 3, 2 } the output should be ...
- 13
1
vote
1
answer
31
views
When calling the printQueue method I want to print "O" for elements within the respective limits and without printing any "X" values beyond the limit
private void printQueue(String[] cashier1, String[] cashier2, String[] cashier3) {
int maxQueueSize = Math.max(cashier1.length, Math.max(cashier2.length, cashier3.length));
int ...
0
votes
1
answer
36
views
My max value wont display, but i cant see or figure out why
I am trying to find the maximum value a user has entered from a 1D array, but the function i have set up wont display a value. I usually use visual basic and have done limited java, so I'm new.
public ...
- 1
1
vote
1
answer
49
views
Array turns back to its original form after being modified inside a function
I was trying to do problem no. 189 in LeetCode but I encountered a problem. The code is as follows:
public class Solution {
public void rotate(int[] nums, int k) {
k %= nums.length;
...
- 28
0
votes
2
answers
299
views
I want to reverse an array but dont know why this error comes?
i dont kow ehy my programs dont run.
i am trying to reverse my array through user defined function.
i can give an input but cannot find out the answer.
import java.util.*;
public class reverseanarray{
...
-1
votes
1
answer
53
views
how to store multiple different classes into one array
I am trying to make a pokemon text based clone for a school project and I need to store the 2 different pokemon that are fighting in a single array so I can easily compare and exchange stats instead ...
0
votes
2
answers
54
views
can we return constructor at the end of function
i was solving a question on leetcode and came across the code which I'm having difficulty to understand and had searched through internet for answer but didn't found desired answer
The Question is ...
- 5
0
votes
1
answer
48
views
I'm trying to make a function that takes a 2d array as a parameter and outputs a normal array containing every unique number, in java
The function needs to have a 2d array as a parameter and then return a normal array with all the unique numbers.
If the 2d array is
[
[1,1],
[4,2]
]
then it should output
[1,4,2]
I'm still pretty ...
0
votes
1
answer
106
views
I'm trying to use a function to modify this 2d array to double the even numbers on the even rows and double the odd numbers on the odd rows
I'm trying to use a function to modify this 2d array to double the even numbers on the even rows and double the odd numbers on the odd rows. For instance if my 2d array is
{1,3,6,2}
,{7,5,6,1}
,...
1
vote
2
answers
63
views
Why do we initiate an object inside main function
class MergeSort {
// Merge two subarrays L and M into arr
void merge(int arr[], int p, int q, int r) {
}
// Divide the array into two subarrays, sort them and merge them
void ...
- 345
-2
votes
1
answer
54
views
Needed to create a function thet recieves an array of 2 degits nums , Switch between the digits and print but got an error
Write a function that receives double-digit numbers, until a number that is not double-digit is received.
• For each number received the program will generate a reverse number and print it. For ...
- 13