All Questions
50 questions
0
votes
2
answers
52
views
Logic of for loop using with array to access elements of the array in java
My code to access elements of array using for loop. The output of the program is [19,17,15] which are the elements of array int a[] = { 12, 15, 16, 17, 19, 23 }. Output after following code is written:...
-1
votes
2
answers
332
views
How do I debug arrays? [closed]
I have this assignment that I am having trouble on. I'm supposed to fix syntax error in the code to produce the desired number. I fixed the amount of arrays from 4 to 3 and added "[]" to the ...
- 11
0
votes
2
answers
78
views
debug problem in the checking, old wizards cult riddle
I'm trying to solve this riddle in java, about an old man who lives because his cult who gives the old man some of their life, this specific code should work to the rules which are given but one of ...
- 64
0
votes
2
answers
75
views
Compiler not recognizing that class string value is equal to another String value [duplicate]
public class Station {
String name;
boolean pass;
int distance;
// method to create a new Station taking the arguments of the name,pass and distance in the parameter
public static ...
- 59
0
votes
2
answers
60
views
Array rotate with juggling algorithm fails
This question is from G4G array rotation. I am getting an error in the second loop telling me the array is getting out of scope. But I don't understand why.
import java.util.Scanner;
public class ...
- 1
2
votes
1
answer
186
views
How can i fill one cell of array in java (android Studio)
I write this but all cells fill together.
how can I fix it.
Integer [] history=new Integer[5];
for (int i=0;i<history.length;i++) {
history[i]=Jamkon.intValue();
}
txt_H.setText(...
- 220
3
votes
1
answer
377
views
Getting random verbiage while printing array variable in Java
I'm learning basics of Java and there seems to be an observation I'm not able to get my head around.
Below is the code that is supposed to print the binary implementation of a base10 number. There ...
- 1,490
-1
votes
1
answer
3k
views
What does the error Index out of bounds for length mean in Java? [duplicate]
I have encountered the same error many times, and I don't know why it happened or what caused it. I tried literally changing everything but it either only allows me to type 2 numbers or just gives me ...
1
vote
1
answer
1k
views
Eclipse displays red values for a Java byte array when debugging
I am currently working on a software that makes a serial communication with a hand-made simulator using the RXTX library. To test the limits of my software, I set distinct COM parameters between my 2 ...
- 1,998
-1
votes
1
answer
45
views
Why does my program for enumerating the prime factors of a list of numbers return unexpected values?
Given a list of integers from a minimum to a maximum, I am trying to find the list of prime factors that evenly multiply into any of the integers in the previously given list.
For example, given as ...
- 1,289
0
votes
2
answers
125
views
I am storing the the modified arraylist in map every iteration, then why map contains only the last modified list?
import java.util.*;
import java.lang.*;
import java.io.*;
/*In this question i am modifying the array in every step
and adding them to hashmap.
...
- 31
-1
votes
3
answers
45
views
How do I correctly add a variable to a array?
I am trying to assign a variable to an array but I keep getting ArrayIndexOutOfBounds error and I am stumped on why it doesn't work.
THE QUESTION:
Write a program that reads an arbitrary number ...
0
votes
1
answer
258
views
Why is this line printing twice?
So I help tutor an Algebra 2 class at my local high school, and the class is currently looking over matrices. Though not there, they will eventually get to multiplication of matrices. After taking ...
- 35
0
votes
4
answers
66
views
Having problems when comparing two arrays
The program is supposed to translate a word from American to British version. It only works for the first word but it doesn't work for the other words because it gives the else statement instead.
My ...
- 5
-1
votes
1
answer
34
views
I have an array that has 10 values, however somewhere along my code one of the values changes?
I'm currently debugging the code using the eclipse IDE and trying to figure out where this change takes place. Is there anyway I can set my debugger to expect an array of certain values and then show ...
- 213