Error Interface Expected Here
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Maven Interface Expected Here
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Interface Expected Here Android Studio
4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why is my program saying there is an error: “interface expected here”? up vote 1 down vote favorite Whenever I type this code, java always underlines the class declaration sentence and the error message is "interface
No Interface Expected Here
expected here". How can I fix this? package tempconverter; import javax.swing.*; import java.awt.event.*; import java.awt.FlowLayout; import static java.lang.System.out; public class TempConverter extends JFrame implements ActionListener, ActionEvent{ static JFrame f = new JFrame(); static JTextField enter = new JTextField(3); static JButton confirm = new JButton("Convert"); public static void main(String[] args) { f.setLayout(new FlowLayout()); f.setSize(100, 50); f.pack(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.add(enter); f.add(confirm); f.setVisible(true); } @Override public void actionPerformed (ActionEvent e) { double toConvert = Float.parseFloat(enter.getText()); double inF, inK; inF = toConvert / 5 * 9 + 32; inK = toConvert + 273; out.println("In degrees Fahrenheit, " + toConvert + "degrees Celsius would be " + inF + "degrees."); out.println("In degrees Kelvin, " + toConvert + "degrees Celsius would be " + inK + "degrees."); } } java share|improve this question edited Aug 10 '14 at 8:39 AlexR 82.2k366127 asked Aug 10 '14 at 8:38 TessellatingPi 113 add a comment| 3 Answers 3 active oldest votes up vote 1 down vote As per the Java Document
This Site Careers Other all forums Forum: Beginning Java interface expected here Brandi Love Ranch Hand Posts: 133 posted 9 years ago no interface expected here java I am getting this error: File: C:\Documents and Settings\Marist User\My Documents\Brandi\pkAlgs\PrimHeap.java
No Interface Expected Here Android Studio
[line: 3] Error: interface expected here for the following code: import java.util.*; public class PrimHeap implements interface expected here error android PriorityQueue { private Association [ ] buffer; private int [ ] loc; //**********************************/ private int last; private final int DEFAULT_SIZE = 10; public PrimHeap( ) { buffer http://stackoverflow.com/questions/25226931/why-is-my-program-saying-there-is-an-error-interface-expected-here = new Association[DEFAULT_SIZE]; loc = new int[DEFAULT_SIZE]; //*********************************/ last = 1; } public PrimHeap(Association [ ] theArray) { //Heapify constructor //pre-condition: size == capacity of theArray //post-condition: buffer is heap ordered //*************************************** buffer = new Association[theArray.length + 1]; loc = new int[theArray.length + 1]; for (int i = 1; i <= theArray.length; i++) loc[i] https://coderanch.com/t/405199/java/java/interface-expected = i; //****************************************** last = theArray.length + 1; for (int i = 0; i < theArray.length; i++) buffer[i+1] = theArray[i]; for (int j = (last - 1)/2; j > 0; j--) { siftDown(j); } } private void resize(int newAmt) { Association [ ] newBuffer = new Association[newAmt]; //******************************************** int [ ] newLoc = new int[newAmt]; for (int i = 1; i < last; i++) { newBuffer[i] = buffer[i]; newLoc[i] = loc[i]; } //**********************************************/ buffer = newBuffer; loc = newLoc; //******************************/ } public void add(Association obj) { //precondition: none //post-condition: if last = capacity, the buffer size is increased // obj is added to the heap, and heap ordering is retained if (last == buffer.length) resize(buffer.length + DEFAULT_SIZE); buffer[last] = obj; loc[buffer[last].getKey()] = last; //****************************/ siftUp(last); last++; } public Association deleteMin( ) throws HeapUnderflowException { //precondition: Heap is not empty //post-condition: size of heap is decreased by 1, minimum key // is removed and returned, heap order is maintained. //exception: throws HeapUnderflowExcept
Search Username Password Remember Me? Register Lost Password? facebook google twitter rss Free Web Developer Tools Advanced Search Forum Programming Languages Java Help I got a "no interface expected http://forums.devshed.com/java-help-9/interface-expected-error-167426.html here" Error... Thread: I got a "no interface expected here" Error... Share This Thread Tweet This + 1 this Post To Linkedin Subscribe to this Thread Subscribe to This Thread July 22nd, 2004,12:51 AM #1 No Profile Picture DivineVengeance View Profile View Forum Posts Registered User Devshed Newbie (0 - 499 posts) Join Date Jul 2004 Posts 9 interface expected Rep Power 0 I got a "no interface expected here" Error... I know I'm not suppose to post the entire code, but with this error, I don't where what line is causing it... The error says problem is on line 39, but but that is the listener class, must be else where... Code: D:\Java\Chp6 Projects\BarDriver.java:39: no interface expected here private class nextListener extends ActionListener interface expected here ^ 1 error Tool completed with exit code 1 Code: import javax.swing.*; import java.awt.event.*; import java.awt.*; public class BarDriver extends JApplet { private final int MAX_WIDTH = 270, MAX_HEIGHT = 200, GAP = 35, MAX_BARS = 6; private int x=0, y=0, height, value; private JButton next; public void init(Graphics page) { setBackground(Color.lightGray); setSize (MAX_WIDTH, MAX_HEIGHT); } public void paint(Graphics page) { Bar bar[] = new Bar[MAX_BARS]; for (int i = 0; i