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java Programming Glossary: b.tostringWhen “” == s is false but “”.equals( s ) is true http://stackoverflow.com/questions/1111296/when-s-is-false-but-equals-s-is-true b new StringBuilder h b.deleteCharAt 0 System.out.println b.toString prints false Mystery solved. The code uses StringBuilder to..
Is string concatenaion really that slow? http://stackoverflow.com/questions/15177987/is-string-concatenaion-really-that-slow line while line in.readLine null b.append line return b.toString public static String inefficientRead BufferedReader in throws..
http://stackoverflow.com/questions/1660034/replace-last-part-of-string yourString.lastIndexOf yourString.lastIndexOf 1 yourString b.toString Note This will throw Exceptions if the String doesn't contain..
Table like java data structure http://stackoverflow.com/questions/1691664/table-like-java-data-structure row data for int i row b.append i b.append n return b.toString class DataComparator implements Comparator private Direction..
How can I disable the default console handler, while using the java logging API? http://stackoverflow.com/questions/2533227/how-can-i-disable-the-default-console-handler-while-using-the-java-logging-api b.append System.getProperty line.separator return b.toString Handler fh new FileHandler test.txt fh.setFormatter formatter..
Comparing the values of two generic Numbers http://stackoverflow.com/questions/2683202/comparing-the-values-of-two-generic-numbers return new BigDecimal a.toString .compareTo new BigDecimal b.toString It's still not great though since it counts on toString returning..
clone(): ArrayList.clone() I thought does a shallow copy http://stackoverflow.com/questions/4592478/clone-arraylist-clone-i-thought-does-a-shallow-copy b ArrayList Integer a.clone a.add 6 System.out.println b.toString In the above piece of code i think clone does a shallow copy... point to the same memory location. However when i do b.toString the answer is only 5. Why is 6 also not displayed if clone does..
Very Large Numbers in Java Without using java.math.BigInteger http://stackoverflow.com/questions/5318068/very-large-numbers-in-java-without-using-java-math-biginteger
Swing component flickering when updated a lot http://stackoverflow.com/questions/669979/swing-component-flickering-when-updated-a-lot b new StringBuffer while true b.append i NL a.setText b.toString a.setCaretPosition b.length try Thread.sleep 10 catch Exception.. new Runnable public void run a.setText b.toString a.setCaretPosition b.length And since you have to call setCaretPosition..
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