array tag

224 questions


1 answers
112 views
0
How do I figure out the length of the array?

How do I figure out how many elements can fit in an array?It's not how many values I've allocatedI'd like to know how many can fit.

2 years ago

1 answers
78 views
0
After changing the key name in the Json Array, it should be combined with other Json Arrays.

To draw a multi-line arm chart A total of four types of JsonArray must be combined. In addition, the key names of the four JsonArray are duplicated, so xx1, xx2, and... and so on It is not easy becaus...


1 answers
44 views
0
Cannot transfer 2D array as function

Receive a two-dimensional array as a function void myFunction(double** myArray){ myArray[x][y] = 5; etc...}There's a function like thisdouble anArray[10][10];myFunction(anArray)I'm getting an error ...


1 answers
83 views
0
Is there a way to prevent the private field of the class from being modified?

public class Test{ private String[] arr = new String[]{1,2}; public String[] getArr() { return arr; }}When there's a code like this

2 years ago

1 answers
73 views
0
Javaio and Carriage Return

Hello. Thank you for always giving me a good answer!I study alone, but whenever I find it difficult to understand even if I search on Google, I am looking for a hash code.Thank you very much.I'm study...

2 years ago

1 answers
42 views
0
Please teach me how to insert the result values into the array

If you get a number, you get the answer of multiplication tablesI want to put one of those printed values in the array, but it's stuck here cryingPlease teach me how to put it in an array

2 years ago

1 answers
45 views
0
To copy values from an array in JavaScript

var arr1 = ['a','b','c'];var arr2 = arr1;arr2.push('d'); // arr1 = ['a','b','c','d']As you can see from the example above, if you put arr1 in arr2, it doesn't copy the value to arr2, but arr2 becomes ...

2 years ago

1 answers
41 views
0
Why does [1,2] + [3,4] become "1,23,4" in JavaScript?

To add elements to an array, as in the title,If you calculate [1,2] + [3,4], the result will be 1,23,4 why is that?

2 years ago

1 answers
41 views
0
Why do you use array when there is a list on Python?

When I learned Python, I learned, Python uses a list instead of an array.But I saw on the Internet that when you make an array, it says that you can make an array in the array module other than the li...

2 years ago

1 answers
93 views
0
To output db data over a Java general array

I want to print it out through a normal array, not an array list.I just don't know how.Please give me a hint.ㅜ

2 years ago
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