In your for loop, i correctly iterates from 0 to the maximum length. However you have code such as: tweetArray[i+1] … tweetArray[i+7] that will fail once i reaches (or gets close to) its maximum. That is, you are referencing past the end of the array. In general, if you need to check something about the … Read more
You could use split. String str = “XXX-XXXXXX”; String[] words = str.split(“-“); if(words[0].toCharArray().length == 3 && words[1].toCharArray().length == 6 && words.length == 2) { System.out.println(“Correct”); } 3 solved How to find a string contains XXX-XXXXXX format? java [closed]
for (int i = 0; i < timeList.size(); i++) { System.out.println(timeValuePairs1[0][i]); System.out.println(timeValuePairs1[1][i]); } Or for (int i = 0; i < timeValuePairs1.length; i++) { for (int j = 0; j < timeValuePairs1[i].length; j++) { System.out.print(timeValuePairs1[i][j]); } } solved How do I get the values from a method which returns two dimensional array?
Can anyone help me with this, the Java code compiles but does not process information, does not perform input and output data [closed] solved Can anyone help me with this, the Java code compiles but does not process information, does not perform input and output data [closed]
What this means is that the Manager class extends or implements the Employee class. The second part of your question is a little unclear to me. But an example of having to cast emp is if the Manager class has a specific method which the Employee class does not. You’d need to cast emp in … Read more
It’s because you are using sc.nextInt() to get input from the user and it doesn’t consume the line so when you use switcher = sc.nextLine(); it still reads the number that the user entered before. You can add this after catcher = sc.nextInt(); to consume the line: if (sc.hasNextLine()){ sc.nextLine(); } Or alternatively you could … Read more
CSVReader headerReader = new CSVReader(new FileReader(this.getClass().getResource(filePath).getPath()), delimiter); solved CSVReader headerReader = new CSVReader(new FileReader(this.getClass().getResource(filePath).getPath()), delimiter);
change RegistryInterface.doDeleteStudent(studentID); // Static error here. with this.doDeleteStudent(studentID); Hope helped you! solved Non-static methods cannot be referenced from a static context from within the same class [duplicate]
Given the abstract class A, class C and interface IN, which of the following class declarations are accepted? [closed] solved Given the abstract class A, class C and interface IN, which of the following class declarations are accepted? [closed]
As you are counting each character no matter if it is on the left or right side, you can use just one result structure. Datatype Set is nice if you just want to know the different kind of characters that occures but you also want the count so I suggest to change your result data … Read more
int positionx = viewHolder.getAdapterPosition(); int id = recyclerView.getChildAt(position).getId(); Listsx.remove(positionx); adapterx.notifyItemRemoved(positionx); myDBxxx.deleteItem(id); maybe 2 solved How Can I get item id [duplicate]
All of the buttons are there, they are simply stacked on top of each other in the same location, you should look into using layout managers to achieve the desired result. Check out the Oracle guide here 1 solved How do i create multiple buttons and partition them such that all those buttons appear on … Read more
Using the built in equals for this kind of test is a bad idea for a couple of reasons: As you can see here, a test failure doesn’t give you the diagnostics that you want to actually figure out why the objects are different If you’re implementing equals purely for the test, if it changes … Read more
First of all whenever you want to disable back press just override onBackPressed() method and remove super. like this: @Override public void onBackPressed() { //super.onBackPressed(); } Second you’r using application context to show toast. use activity context. Toast.makeText(this or YourActivity.this, “Setup Complete!”, Toast.LENGTH_LONG).show(); Third just add this attribute into your manifest class. This will avoid … Read more
Your code appears Fine. A simple logic modification that you can do is instead of using count++ for every repeated values,just put the integers from Array A to your ArrayList<> and when putting the next integer from Array A just parse through the ArrayList<> to check whether we have the number already present. Then same … Read more