pro.waitFor(); is a blocking method. It will wait until the process has exited before returning. The problem with this is many programs will not exit until there standard out buffers have been read/cleared, meaning, in your case, it probably will never exit. Try something like this instead… import java.io.File; import java.io.IOException; import java.io.InputStream; public class … Read more
If I understand you, you could with this – int count = 0; for (boolean[][] bArrArr : StarTrack) { for (boolean[] bArr : bArrArr) { for (boolean b : bArr) { if (b) { count++; } } } } System.out.println(count); Given your StarTrack I get the output of 6 2 solved Count the number of … Read more
Your query looks like this: “SELECT E.username FROM MyUser E” The E.username part will return a list of username Strings. It should be From MyUser to get MyUser objects. Something like: List<MyUser> p1 =sn.createQuery(“FROM MyUser”).list(); 1 solved java.lang.ClassCastException: java.lang.String cannot be cast to
It is declaration of int type variable. But it is more better to declare that int i in for like this for(int i = 0; i < n; ++i) Also more whitespaces increase code readability You can declare variables like this TYPE var1, var2, var3, …, varN; And all variables will have same type 4 … Read more
I don’t know the OSX code – however, it looks to be that you have this: Graphics g = bs.getDrawGraphics(); g.drawImage(img, 0, 0, WIDTH, HEIGHT, null); g.dispose(); bs.show(); .. sitting outside any method – it doesn’t appear to be wrapped in anything… I would advise that you start from the top and make sure you … Read more
After sorting the array, you can simple iterate through each of the array elements and print out the index for each of them. for(int i = 0; i < arr.length; i++) { System.out.println(arr[i] + ” is at the position ” + (i + 1)); } Note that you need to use i + 1 since … Read more
//This code is how to print out the max and min values of a list of numbers from the above program// // Print out of max and min exam grades// System.out.println( “Max Exam Score = ” + Max ); System.out.println( “Minimum Exam Score = ” + Min `enter code here`); solved How to write a … Read more
Do like this Collections.sort(list, new Comparator<String>() { @Override public int compare(String o1, String o2) { return o1.length()-o2.length(); } }); 4 solved sort ArrayList using strin length [duplicate]
I suggest you not use double at all here as it is clearly confusing you. If you are going to use double, you should always round your results instead of rounding down. Additionally as 0.1 and 0.01 and 0.05 cannot be represented accurately, you should avoid using them. int iPenny = (int) Math.round((iDollarTotal – iTen … Read more
public void paint(Graphics g) /* Above The name of the method, methods are ways (re-usable blocks of code) of operating on objects public means the method can be called from outside or inside it’s package void means that the method does not return a value, for example if void was changed to int, then this … Read more
Got fix with below piece of code. public void createRuleXML() { try { String newXmlPath = “C:\\docwrite\\CreatedRuleXml.xml”; DocumentBuilderFactory documentFactory = DocumentBuilderFactory .newInstance(); DocumentBuilder documentBuilder = documentFactory .newDocumentBuilder(); // define root elements Document document = documentBuilder.newDocument(); Element rootElement = document.createElement(“Root”); document.appendChild(rootElement); // define school elements Element TocHeader = document.createElement(“Header”); rootElement.appendChild(TocHeader); Element HeaderTag = document.createElement(“HeaderTag”); HeaderTag.appendChild(document.createTextNode(“Table Of … Read more
Try this : <?xml version=”1.0″ encoding=”utf-8″?> <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”fill_parent” android:layout_height=”wrap_content” android:clickable=”true” android:orientation=”vertical” > <LinearLayout android:layout_width=”match_parent” android:layout_height=”wrap_content” android:background=”#c8b560″ android:orientation=”vertical” android:padding=”7dip” > <TextView android:id=”@+id/name” android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:padding=”2dip” android:text=”Name” android:textAppearance=”?android:attr/textAppearanceMedium” /> <EditText android:id=”@+id/name_value” android:layout_width=”match_parent” android:layout_height=”wrap_content” android:ems=”10″ android:inputType=”textPersonName” /> </LinearLayout> </LinearLayout> solved how can i create custom view with a textview along with an edittext?
If I am understand You the right way, it must be something like this: Create a method like this: private void setDay(boolean dayIncrement){ Calendar cal = Calendar.getInstance(); //get an instance of Calenar int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK); //get the current day switch (dayOfWeek) { //if it is monday…. case Calendar.MONDAY: text1.setText(“some text for MONDAY”); //if the … Read more
Yes. Yes it is valid. Every instance of the Foo class will have a field called b1 which has a new Bar instance. 1 solved Object instantiation and assignment in a class [closed]
If you mean what should happen, this is what it should return Mathematically the factorial function is also defined as gamma(n+1)=n!, there is also these relations n*gamma(n)=gamma(n+1) and gamma(1/2)=sqrt(pi) Using these you can get the factorial for any non-integral negative number for more information see this solved What SHOULD happen if a negative value is … Read more