I have written a program Nhisto3.java which consists of two classes:
import java.applet.* ;
import java.awt.* ;
import java.util.* ;
import java.lang.*;
import java.lang.Math.* ;
import java.awt.event.*;
public class NHisto3 extends DBufferApplet implements ActionListener, Runnable {
………
class DrawingCanvas extends Canvas {
………..
}
}
The compilation fails:
javac Nhisto3.java
Nhisto3.java:11: class NHisto3 is public, should be declared in a file named NHisto3.java
public class NHisto3 extends DBufferApplet implements ActionListener, Runnable {
^
Note: Nhisto3.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error
I am a tyro at
Java and would appreciate some help.
BRS