All Questions
1,765 questions
-1
votes
2
answers
51
views
How to find each word in a 2D array from a specific ch
I'm new to Java and I'm trying to work this question out:
Write another method in the class (a suitable name for this method would be findChar). This method should take a char and a 2 dimensional ...
-1
votes
2
answers
49
views
Error while building a program which should output assigned domino tiles for each player in Java
So, I am a total beginner in Java. I need a program that takes a number of players as an input. Then assuming there are 91 domino tiles each with two squares with dots ranging from 0 to 12 in each ...
- 31
0
votes
1
answer
78
views
Java's advanced for loop not inputting captured values from nextInt properly
After initializing an array and using the For-Each Loop to capture 2 input values and update in the array, printing the values out results only in the last integer input showing, a zero.
int[] ...
- 141
0
votes
1
answer
47
views
iText 7, first item in my loop doesn't get formatted. Any idea why?
When I run my loop, it is supposed to format "res.position" ,and it does for every iteration of the loop except for the first one.
for(int i = 0; i < res.numJobs; i++) {
document.add(...
0
votes
2
answers
76
views
For loop condition not working as per expectations
I am writing a code in this code I have to find the minimum steps which can take me from index 0 to index n-1. nums[i] represent the maximum jump I can take from ith index. (Reference leetcode Q45 ...
- 41
-1
votes
1
answer
205
views
How to populate an array automatic with an user` input?
i m writing a code as homework, the task is to create a code, where the user give a number (for example 4 ) and the output will be all the number from 4 ( the users input ) till the length of array (...
- 1
1
vote
2
answers
445
views
Problem with counting Battleship sunken ships/ships (Java)
So I am making a method for a battleship game which consists of ships ranging from 2-5 squares horizontally on a 10x10 grid in Java. This method is to count the number of sunken ships on the grid ...
- 21
-4
votes
2
answers
113
views
How do I use a for loop inside a method with an array parameter? [closed]
I want to start and preference that I am still new to this and learning. I'm trying to figure out how to use a for loop for this assignment. Hopefully I can get some help :)
This is the code.
package ...
- 37
2
votes
2
answers
46
views
how to print an array forward and backward based on boolean flag true/false using single for loop in java?
Arr = {"apple" , "orange" , "pineapple"};
If (boolean)flag = true :
o/p -
pineapple
orange
apple
Else
o/p -
apple
orange
pineapple
I tried using while, how to implement ...
- 29
-1
votes
1
answer
52
views
I want to make a for loop that asks and answers its questions but i think i want 2 variables in the for llop and idk how
public class Main {
public static void main(String[] args) {
String[] cars = new String[3];
cars[0] = "bmw";
cars[1] = "tesla";
cars[2] = &...
- 1
0
votes
1
answer
126
views
Using an if else statement with a string condition inside of a nested for loop
I am doing an exercise in which i have to create a trivia game, i need 5 questions and 5 answers and to store them using arrays, which i have managed to do just fine so far, then i have to create at ...
1
vote
2
answers
105
views
The value of the variable "m" is not getting updated when i am trying to print the string which is declared outside the loop
This is the code I'm trying to execute:
class test {
public static void main(String[] args) {
int num = 5;
var i = 0;
int m = 0;
String[] m_id = {"1","2","...
- 17
2
votes
3
answers
116
views
Filling 2D array diagonally
I've been trying to get a 10x10 2D array filled diagonally as in the image below for a couple hours now, but after checking every possible way to use rows and columns I still can't seem to identify my ...
0
votes
0
answers
53
views
In Java, how do I check if a specific element appears in an array? [duplicate]
Please bear with me, I am very new to Java. I have created an array that is created from two text files using File Reader when the program is run, I need to check if an element in the list is a ...
- 11
1
vote
2
answers
60
views
Initialization, conditions, and afterthought of for-looping to add variable value each time the arraylist size reach certain value
I want to make a program that consist of 1 arraylist and 1 variable. So, every time the arraylist's size 59, 118, 177,..... (added by 59), will add the variable by 1.
int a = 0;
ArrayList<String>...
- 47