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String、StringBuffer、StringBuilder difference
Class Diagrams The following diagram show the relationship of String 、StringBuffer and StringBuilder. Compare with them String There is ...
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the basic concept of java
##Java Memory Type Classification Register Native Method field Method field Stack Heap Java Basic Type , Reference Type , Packing type ...
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Spring transaction failure scenarios
Spring transaction failure scenarios   there is some reasons for failure scenarios in spring transaction. Using engine of database ...
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The basic concept of thread
What is a process ? The process should be a dynamic status for a program. A running of program called as process that is isolated for each other...
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Java Thread
What is the meaning of thread safety ?   I consider that most of people don’t understand it or describe it clearly. Thread safety shoul...