See this other Stack Overflow Q/A about the runtime JAR (rt.jar or classes.jar depending on the OS you are using). This JAR is basically just like any other JAR you might write for a project, except instead of being a library or application, this JAR contains the classes used within and provided by the JVM … Read more
if (averageElements > array[i][j]) means that you’re only looking at values less than the average, exactly opposite of what you want. tmp1 = 0 and if (array[i][j] > tmp1) means that you are looking for the largest value above zero, also exactly opposite of what you want. And it wouldn’t work if all values were … Read more
You can better try with: a= (short)1; instead of a=a (short)1; ClassCastException is:- Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance. Although in your code it is not making sense how you receive the ClassCastException even after if we change as … Read more
Yes, instead of having an array of primitive types (like ints) or Strings, define your own class and then create an array of that. Then you can have whatever information you want in there. Alternatively, if the array must be an array of primitives or Strings because some other method requires it to be in … Read more
Do you really mean java.lang.Object or do you mean a class of your own making? You can get into the java world if you have appropriately defined a your class with the following (Google Gson): BossesClass hisClass = new Gson().fromJson(bossesString, BossesClass.class); What you use as the key value (a String) in your map is your … Read more
You could make use of Java 8 Stream API and implement something like this: public static void main(String[] args) { PaymentDetailsItem payment = new PaymentDetailsItem(“test”, “100.00”, 10, “1”); PaymentDetailsItem payment2 = new PaymentDetailsItem(“test number 2”, “250.00”, 10, “2”); List<PaymentDetailsItem> payments = new ArrayList<>(); payments.add(payment); payments.add(payment2); List<String> amounts = payments.stream().map(PaymentDetailsItem::getAmount).collect(Collectors.toList()); System.out.println(“Here we have the extracted List … Read more
You would use an Anonymous Inner Class, as Java 8 lambda expressions are essentially syntatical sugar which do nearly the same thing. That would look something like this. files.addAll(Arrays.asList(folder.listFiles(new FileFilter(){ @Override public boolean accept(File f) { return f.getName().endsWith(CustomConstantsRepository.FILE_EXT_DAT) && f.getName().startsWith(fileName))); } }))); solved File Lambda expression in Java 7
you have passed invalid parameters.you can fix by fixing your sending parameters like : xiaomi.setData(“Xiaomi”,5.5f,3,32,2,8.0f); or change your function signature to String brand,float screensize,int ram,int memory,double processor,float androidversion and also change variables to private float screensize; private float androidversion; private int ram; private int memory; private double processor; private String brand; 0 solved Error in … Read more
This should qualify for a solution String var1 = “test123”; String var2 = “Test”; if(var1.toUpperCase().contains(var2.toUpperCase())){ System.out.println(“pass”); } solved How to convert a sample vb script code to java code [closed]
My receiver and service in manifest <receiver android:name=”.services.SOSBroadcastReceiver” android:enabled=”true” android:exported=”true”> <intent-filter> <action android:name=”android.intent.action.SCREEN_OFF”/> <action android:name=”android.intent.action.SCREEN_ON”/> </intent-filter> </receiver> <service android:name=”.services.SOSService” android:enabled=”true”> </service> and my BroadcastReceiver class public class SOSBroadcastReceiver extends BroadcastReceiver { private static long lastTriggerTime = 0; private static final int ONE_MILLI = 1000; protected static final long ONE_SEC = 1 * ONE_MILLI; protected static … Read more
This is perhaps not the best question to ask on SO as it’s bound to get opinions rather than answers, with this in mind, I will give you my opinionated answer. As your first real life application, it’s probably best you go with something you’re somewhat familiar with, either that or find a solution with … Read more
You can solve tic-tac-toe just by enumerating all the game states. There are a few corners you can cut, but not many. Here is a nice graphical representation of how to do this. http://xkcd.com/832/ 4 solved Better AI for Tic & Toe [closed]
You should try reading the documentation that comes with Apache POI! Taken straight from there: // Decide which rows to process int rowStart = Math.min(1, sheet.getFirstRowNum()); // 0 based not 1 based rows int rowEnd = Math.max(12, sheet.getLastRowNum()); for (int rowNum = rowStart; rowNum < rowEnd; rowNum++) { Row r = sheet.getRow(rowNum); int lastColumn = … Read more
std::map<std::string,Skill*> skills; skills[“Endurance”] = new Skill(); 3 solved What’s the c++ version of this java map code [closed]
Before the loop, double total = 0; and then in the loop (after you calculate the amount) total += amt; and finally after the loop, something like System.out.printf(“The total is %.2f%n”, total); solved How to take the sum of elements from a for loop?