Introduction This question is a duplicate of a previously asked question. The issue is that a while loop is not producing the expected output. This can be caused by a variety of issues, such as incorrect syntax, incorrect logic, or incorrect use of the indexOf function. In this post, we will discuss the possible causes … Read more
There are no dynamic variables in Java. Java variables have to be declared in the source code. So a solution could be to make two arrays of integers for both drawable resources and view id’s For example int[] resourceIds = new int[] { R.drawable.d1, R.drawable.d2, R.drawable.d3, R.drawable.d4, R.drawable.d5, R.drawable.d6 } int[] viewIds = new int[] … Read more
First, you need to make sure the command you are using actually works at the command. If it does not, then it’s not going to work in Java. Next, one of the main reasons for using ProcessBuilder is to deals with spaces in the command/parameters better then Runtime#exec. String command = “/Applications/MiKTeX Console.app/Contents/bin/miktex-pdftex”; String outputDir … Read more
i suggest you start using Recycler view since it would be easier to do this functionality using it. here is your starting point: RecyclerView RecyclerViewAdapter Creating lists with Custom rows solved How to make a SearchView/filter on a custom ListView and add items in the underlying ArrayList using an EditText? [closed]
Here i have called URL first then only declared mTitle value.thats why i have faced problem here. Now i got the solution: I have declared mTitle first afterthat only have called URL like below. mTitle = b.getString(KEY_SUBCATE); URL = “http://api1.sfsfsffsf.com/dev/categories/?fields=&categoryid=” + mTitle + “&access_token=bfb787a”; solved xml parsing listview in android like category,subcategory
In the loop of the getEmployeeDetails() method, you don’t store and update the min wage, the max wage and the employee names that have these wages. Besides, you should be more specific in the naming. For example, maxWage and minWage are more meaningful than max and min. So, you should have maxWage, maxWageEmployeeName, minWage and … Read more
There is only one problem in your code: Change for (int j=0; j<values[i].length; i++) to for (int j=0; j<values[i].length; j++) You put i++ instead of j++. 1 solved Trying to create a chessboard using an array and graphics
The key is item 7: For example, if Config.MIN_ACTION is 1 and Config.MAX_ACTION is 3: If the action rankings are {9,90,1} the total is 100. Since actionRanking[0] is 9, then an action of picking up 1 should be chosen about 9/100 times. 2 should be chosen about 90/100 times and 1 should be chosen about … Read more
Because the Integer type interns the values (by the static class IntegerCache) from -128 to 127. solved How is it possible that 127==127 while 128!=128? [duplicate]
try int count = 0; for (int i = 0; i < str.length() – 1; i++) { for (int j = i + 1; j < str.length; j++) { if(str.charAt(i)==str.charAt(j)){ count++; } } return count; } 3 solved Check if a character appears more than once in a string using charAt() and loop
AAA ref1 = new CCC(); BBB ref2 = new CCC(); CCC ref3 = new CCC(); Is there anyone who can explain how it works inside the complier? In this case ref1 is a reference to a AAA object and since CCC inherits from AAA it is also an AAA so this assignment is allowed by … Read more
The problem occurs on the price Method not the number, if the user enters 50 , you are checking the matrix seatsArray[][] for available seats : Solution: you need to add a boolean when seat gets reserved so you can set it true and escape the loop which is on the for not the the … Read more
The first code snippet you have provided is not sufficient to answer the question with any degree of certainty. From the exception it would appear that the sqlHandler variable is null, but you have not provided any code to show how you are instantiating this. sqlHandler seems to be a global variable, so you’ll want … Read more
In your adapter class private static final int POSTER = 1; //for sliding item private static final int CHILDGROUP = 2; //normal items In getItemViewType() @Override public int getItemViewType(int position) { if (position == 0 ) return POSTER; else return CHILDGROUP; } In onCreateViewHolder() check which item & inflate layout as per item @Override public … Read more
If you decompile your class using javap, you’ll find: Compiled from “A.java” class A { int a; int b; int c; A(); Code: 0: aload_0 1: invokespecial #1 // Method java/lang/Object.”<init>”:()V 4: aload_0 5: iconst_3 6: putfield #2 // Field a:I 9: aload_0 10: iconst_4 11: putfield #3 // Field b:I 14: return } Even … Read more