More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 1 ppt
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 1 ppt
... type;
10 :
11 : StreamGobbler(InputStream is, String type)
12 : {
13 : this.is = is;
14 : this.type = type;
15 : }
16 :
17 : public void run()
18 : {
19 : try
20: {
21: InputStreamReader isr = new InputStreamReader(is);
22: ... produces:
E:\classes\org\javapitfalls\item2> ;java
org.javapitfalls.item2.SlowFileCopy j2sdk -1_ 4 _1- beta-windows-i586.exe Æ
j2sdk-copy1.exe
Elapsed...
Tài liệu More Java Pitfalls: 50 New Time-Saving Solutions and Workarounds docx
... the pixels
11 5: for (int i= (imgHeight - 1) ; i >= 0; i )
11 6: {
11 7: byte pad = 0;
11 8: for (int j=0; j < imgWidth; j++)
11 9: {
12 0: int pixel = imgPixels[(i * width) + j];
12 1: byte alpha ... bbuf.put(blue);
12 8: bbuf.put(green);
12 9: bbuf.put(red);
13 0: }
13 1: if (padded)
13 2: bbuf.put(pad);
13 3: }
13 4:
13 5: bbuf.flip();
13 6: fc.write(bbuf);
13 7: fo...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds docx
... Extension Mechanism 11 0
Sealed Packages 11 1
Security 11 2
Item 14 : What Do You Collect? 11 2
Item 15 : Avoiding Singleton Pitfalls 11 7
When Multiple Singletons in Your VM Happen 11 9
When Singletons ... t.printStackTrace();
19 : }
20: }
21: }
Listing 1. 1 BadExecJavac .java
A run of BadExecJavac produces the following:
E:\classes\org\javapitfalls\item1 > ;java Æ
org.javap...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 2 ppsx
... public class XpathLookup
10 : {
11 : public static void main(String args[])
12 : {
13 : try
14 : {
15 : if (args.length < 1)
16 : {
17 : System.out.println(“USAGE: “ +
18 : “org.javapitfalls.item8.BadDomLookup ... http://www.simpopdf.com
11 : {
12 :
13 :
14 : //This creates the logger!
15 : m_log = Æ
Logger.getLogger(“org .pitfalls. BadLoggerExample1.logger”);
16 :
17 : m_...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 3 pptx
...
Listing 11 .1 (continued)
92 Item 11
Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com
04: 2700
05: 2 710
06: 2 711
07: 2 712
08: 2 713
09: 2 714
10 : 2 715
11 : 2720
12 : 2730
13 : 2740
14 : ... -cp
“D:\pkoDev\beans\classes;C:\dom4j\lib\dom4j.jar;D: \java_ xml_pack-winter-
01- dev\jaxp -1. 2-ea1\xalan.jar;D: \java_ xml_pack-winter- 01- dev\jaxp -1. 2-...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 4 potx
... GoodLayeredPane()
10 : {
11 : JLayeredPane lp = new JLayeredPane();
12 :
13 : // set the size of this pane
14 : lp.setPreferredSize (new Dimension (10 0 ,10 0));
15 :
16 : // add a Colored Panel
17 : JPanel jpnl = new ... url=”http://www.amazon.com/exec/obidos/redirect?tag=webservices-
20%26creative=D3AG4L7PI53LPH%26camp=2025%26link_code=xm2%26path=ASIN/047
12 37 515 ”>
<A...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 5 pdf
... ByteArrayOutputStream (10 24);
10 6: else
10 7: baos.reset();
10 8: if (buf == null)
10 9: buf = new byte [10 24];
11 0: String response = null;
11 1: int cnt=0;
11 2: while ( (cnt = in.read(buf)) != -1)
11 3: {
11 4: ... void commandAction(Command c, Displayable s)
11 6: {
11 7: String targets = null;
11 8: try
11 9: {
12 0: if (c == exitCommand)
12 1: {
12 2: destroyApp(fa...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 6 pptx
... HttpServlet {
10 :
11 : String driver;
12 : String dbname;
13 : String username;
14 : String password;
15 :
16 : authenticateHelper() {}
17 :
18 : public void getDBProperties() {
19 :
20: URL url = null;
21: ...
09: ds = null;
10 : }
11 :
12 : if (ds != null) {
13 :
14 : try {
15 : // determine if a particular resource is cached
16 : URL url =
17 : new Æ
URL(“http:/ /ja...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 7 pps
... connecting to the database.” +
11 3: “ Please see your systems administrator for details.”);
11 4: e.printStackTrace();
11 5: }
11 6:
11 7: }
11 8:
11 9:
12 0: }
12 1:
12 2:
Listing 32.4 (continued)
290 ... out.write(buffer, 0, count);
10 9: out.flush();
11 0: count = br.read(buffer, 0, buffer.length);
11 1: }
11 2: while (count != -1) ;
11 3: }
11 4: catch (Exception e)
11...
More Java Pitfalls 50 New Time-Saving Solutions and Workarounds phần 8 pdf
... javax.xml.soap.SOAPMessage;
010 : import javax.xml.soap.SOAPPart;
011 : import javax.xml.soap.SOAPEnvelope;
012 : import javax.xml.soap.SOAPHeader;
013 : import javax.xml.soap.SOAPElement;
014 : import javax.xml.soap.Name;
015 : ... tabletypes = {“TABLE”};
10 :
11 : if (conn == null)
12 : {
13 : throw new Exception(“Could not establish a connection!”);
14 : }
15 :
16 : Database...