You need to add the JButton to mainPanel instead of panel. Some duplicated lines and not necessary settings removed for (int i = 0; i < 64; i++) { label[i] = new JButton(); label[i].setBorderPainted(false); mainPanel.add(label[i]); label[i].setIcon(new ImageIcon(getClass() .getResource(“”))); label[i].setPreferredSize(new Dimension(50,…
You can iterate the digits by using the modulo (%) and division (/) operators: public static int countCommonDigits(int a, int b) { int count = 0; while (a > 0 && b >0) { // Get the right most digits…
You may want to add a LayoutManager to your window. NetBeans has support for it. Right-click inside your window in NetBeans, hover “Set Layout” and select a proper LayoutManager. I always use GridBagLayout. Here is a tutorial: Good Luck.…
Go to the config.inc.php file In the file, search for the line $cfg[‘Servers’][$i][‘password’] and change it to $cfg[‘Servers’][$i][‘password’]=’root’ Hope it helps 1 solved Error : (1045) Access denied for user ‘root’@’localhost’ (using password: NO)
You can use: float input1String = txtInput1.getText() == null ? 0.0f : Float.valueOf(txtInput1.getText().trim()); which can throw an exception if the value of yout Textfiled is not a float value 4 solved How can i change my Var to Float in…
I guess you want to construct your query depending on the selected JCheckBoxes. The below code snippet works, if: You created a JCheckBox[] checkBoxes field that contains all the checkboxes with languages. The text of all those JCheckBox is exactly…
try this: public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); String text = sc.nextLine(); System.out.println(text); for(int j=0;j<text.length();j++) { char firstLetter = text.charAt(0); //get the first letter text = text.substring(1); //remove the first letter…
From NetBeans Installation Instructions The default location in Windows is C:\Program Files\Java\jdk1.7.0_10 or similar. If your JDK is at C:\Java you just have to: re-install the JDK under the default Netbeans location, or specify your custom location during the installation…
you’re not looking for an if statement are you? if(error.Colour() == /*insert value to check here*/) { calculate.setKey(key); calculate.setQuantity(QuantityInt); double cost = calculate.calculateBill(); information.append(“\n\nTotal cost: £” + pounds.format(cost)); } 5 solved java, “do this if passes then do this” [closed]
As per my comments, get user interaction out of the search method, in other words, avoid using System.in and System.out (except for temporary use for debuggin). Instead, pass in a String cnic parameter, so that other code that has user…
An array out of bounds exception is thrown to indicate that an array has been accessed with an illegal index. The index is either negative or greater than or equal to the size of the array. This is coming from…
How do I dynamically resize a text component in Java Netbeans, when the text has filled the component, instead of it having scroll bars? solved How do I dynamically resize a text component in Java Netbeans, when the text has…
class Solution { public String reverseWords(String s) { if (s == null || s.length() == 0) { return “”; } // split to words by space String[] arr = s.split(” “); StringBuilder sb = new StringBuilder(); for (int i =…
#include <api.h> is the way you include a system header. (That is, the header for a library installed on your system.) It does not search in the directory of the source file or in directories specified in -I command line…
You can compare like below Code: List<String> global = new ArrayList<String>; Map<String, ArrayList<String>> newMap = new HashMap<String, ArrayList<String>>(); Map<String, ArrayList<String>> map = new HashMap<String, ArrayList<String>>(); for (String key:map.keySet()) { List<String> arrayList= map.get(key); for (String words:arrayList) { List<String> newList = new…