How would I go about making each iteration of my four loop be random. The outcome as of now makes all 20 sentences put the same output, although it is choosing random words each time from the four arrays created in static class OuterWord. I have omitted the parts of the code that I don’t think are necessary including the
Tag: arrays
Vertx JDBCCLient insert BLOB into database
I used vertx 3.9.12 and JDBCCLient. How to insert image to BLOB column? Thank in advance Answer Unwrap the io.vertx.ext.sql.SQLConnection to java.sql.Connection and then create a Blob that you add to the params:
Share an array between threads in java
I’m currently working on my own little boardgame and came across a problem with multithreading. I have one thread that renders the board and one that supplies the data to render. The supply thread writes his data to one array and then the renderer takes this data and renders it on the screen (The render thread never writes something to
How do I check if two simple 2D arrays have the same 1D arrays? (order and repetitions doesn’t matter)
My main objective is to return if all elements, int[ ], of a 2D Array ,int[ ][ ], are present in another 2D Array. I already tried to use Arrays.deepEquals() but in this case, the order of the elements would matter and that’s not the purpose. Int[ ][ ] arrays wouldn’t be longer than 15, for example. Int[ ][ ]
Finding the longest word ArrayList /Java
I want to write a method which finds the longest String (word). The output should be the longest word in case of two words with the same lenght the output should be: “More than one longest word”. I used ArrayList and almost had a solution, but something goes wrong. The case is that I have a problem when two words
Byte array to string conversion
I’m making an Android app that communicates with bluetooth device. I’m writing a specific message to chosen characteristic as follows: My conversion function looks like this: I’m trying to figure out why in this case my conversion output looks like this: D/uploadDataset: Message: �������������������� It is strange, because the same conversion function works perfectly fine when I’m using it to
Android get ArrayList from Room Database in adapter class
I have a Room Database table with multiple columns (PartsTable). I need to fetch only one column from the table that contains one word String and I’m using a subset of a table as per google docs (PartsTuple). Now I need to create a function that will or something else that will return the ArrayList of fetched data, which I
java – creating 2D array (matrix) from two 1D arrays
Given How do I programmatically achieve: with Yes everything needs to be Object, Object[] or Object[][] due to upstream constraints ie. TestNG @DataProvider. Answer A couple of nested loops does the magic but the dimensions of the retVal are different: Test: Output (not pretty-printed): [[J, diamonds], [Q, diamonds], [K, diamonds], [A, diamonds], [J, hearts], [Q, hearts], [K, hearts], [A, hearts],
How to parse array inside json object in android java?
how to display array data in json object if the json data is like below. I want to display array data of Ingredient and step. This is the full API Address that I want to fetch the data https://masak-apa-tomorisakura.vercel.app/api/recipe/resep-nasi-bakar-ayam I’ve tried several ways but I can’t find how to implement it properly. this is my json model. This is the
Exception in thread main Java
This is my program to print natural numbers from 1 to N^2 in a clockwise spiral. I’m getting the following error This is my program The code works fine for N=2 but starts giving this error for N=3,4 etc. If N=3, the greatest value of arr[i][c2] will be arr[2][2] which falls in the range of a 3×3 matrix. Could someone