This is a nice and simple tool to give diagram of java class hierarchy. You can find the details http://plindenbaum.blogspot.com/2008/10/javadoc-is-not-enough-java2dia.html 0 Share:
Draw a graph for a java hierarchy using java2dot
June 13th, 2009 | by Ashok Chava | published in Java, Latest
Tip #1:java.lang.StringBuilder
June 13th, 2009 | by Ashok Chava | published in Java, Latest
Sun introduced the StringBuilder class in J2SE 5.0, which is almost the same as StringBuffer, except it\\”s not thread-safe. Thread safety is usually not necessary with StringBuffer, since it is seldom shared between threads. When Strings are added using the + operator, the compiler in J2SE 5.0 and Java SE 6 will automatically use StringBuilder. [...]