The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available.
See Java Language Changes for a summary of updated language features in Java SE 9 and subsequent releases.
See JDK Release Notes for information about new features, enhancements, and removed or deprecated options for all JDK releases.
try { } finally { }
catch (Exception e) { }
try { } catch (Exception e) { } catch (ArithmeticException a) { }
int[] A;
A[0] = 0;
classes.zip
or rt.jar
.)end of stream
marker.end of stream
marker, a program tries to read the stream again.readList
method to
ListOfNumbers.java
. This method should read in int
values from a file, print each value, and append them to the end of the vector. You should catch all appropriate errors. You will also need a text file containing numbers to read in.cat
method so that it will compile.
public static void cat(File file) { RandomAccessFile input = null; String line = null; try { input = new RandomAccessFile(file, "r"); while ((line = input.readLine()) != null) { System.out.println(line); } return; } finally { if (input != null) { input.close(); } } }