Masood
Posts: 9
Nickname: shooter
Registered: Jul, 2003
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Re: compile error
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Posted: Jul 15, 2003 9:03 PM
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Here is the code that I am trying to compile. Assignment class is calling (or refrencing) class Test. Which is in a c:\code directroy. I have also included the code for Test.java
If I add set classpath=c:\code;. Do I still have to compile using the follwoing commands
C:\java>javac -classpath c:\code Assignment.java
C:\java\java -classpath c:\code Assignment
I tried to compile using w/o classpath option and I got an error. Then whats point of setting classpath in autoexec.bat!!!
I hope this helps you guys. Thanks for your help.
//: c03:Assignment.java
// Assignment with objects is a bit tricky.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import com.bruceeckel.simpletest.*;
class Number {
int i;
}
public class Assignment {
static Test monitor = new Test();
public static void main(String[] args) {
Number n1 = new Number();
Number n2 = new Number();
n1.i = 9;
n2.i = 47;
System.out.println("1: n1.i: " + n1.i +
", n2.i: " + n2.i);
n1 = n2;
System.out.println("2: n1.i: " + n1.i +
", n2.i: " + n2.i);
n1.i = 27;
System.out.println("3: n1.i: " + n1.i +
", n2.i: " + n2.i);
monitor.expect(new String[] {
"1: n1.i: 9, n2.i: 47",
"2: n1.i: 47, n2.i: 47",
"3: n1.i: 27, n2.i: 27"
});
}
}
**********************************************************
//: com:bruceeckel:simpletest:Test.java
// Simple utility for testing program output. Intercepts
// System.out to print both to the console and a buffer.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
package com.bruceeckel.simpletest;
import java.io.*;
import java.util.*;
import java.util.regex.*;
public class Test {
// Bit-shifted so they can be added together:
public static final int
EXACT = 1 << 0, // Lines must match exactly
AT_LEAST = 1 << 1, // Must be at least these lines
IGNORE_ORDER = 1 << 2, // Ignore line order
WAIT = 1 << 3; // Delay until all lines are output
private String className;
private TestStream testStream;
public Test() {
// Discover the name of the class this
// object was created within:
className =
new Throwable().getStackTrace()[1].getClassName();
testStream = new TestStream(className);
}
public static List fileToList(String fname) {
ArrayList list = new ArrayList();
try {
BufferedReader in =
new BufferedReader(new FileReader(fname));
try {
String line;
while((line = in.readLine()) != null) {
if(fname.endsWith(".txt"))
list.add(line);
else
list.add(new TestExpression(line));
}
} finally {
in.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
}
return list;
}
public static List arrayToList(Object[] array) {
List l = new ArrayList();
for(int i = 0; i < array.length; i++) {
if(array instanceof TestExpression) {
TestExpression re = (TestExpression)array;
for(int j = 0; j < re.getNumber(); j++)
l.add(re);
} else {
l.add(new TestExpression(array.toString()));
}
}
return l;
}
public void expect(Object[] exp, int flags) {
if((flags & WAIT) != 0)
while(testStream.numOfLines < exp.length) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
List output = fileToList(className + "Output.txt");
if((flags & IGNORE_ORDER) == IGNORE_ORDER)
OutputVerifier.verifyIgnoreOrder(output, exp);
else if((flags & AT_LEAST) == AT_LEAST)
OutputVerifier.verifyAtLeast(output,
arrayToList(exp));
else
OutputVerifier.verify(output, arrayToList(exp));
// Clean up the output file - see c06:Detergent.java
testStream.openOutputFile();
}
public void expect(Object[] expected) {
expect(expected, EXACT);
}
public void expect(Object[] expectFirst,
String fname, int flags) {
List expected = fileToList(fname);
for(int i = 0; i < expectFirst.length; i++)
expected.add(i, expectFirst);
expect(expected.toArray(), flags);
}
public void expect(Object[] expectFirst, String fname) {
expect(expectFirst, fname, EXACT);
}
public void expect(String fname) {
expect(new Object[] {}, fname, EXACT);
}
} ///:~
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