Sunny Gupta questions

• Searching File in a directory recursively using Pre-Order Post Order and InOrder
• Calling Rest webservice using JQuery Ajax call , web service is returning JSON string
• Having more than 50 column in a SQL table
• How String Literal Pool Works
• Exception Handling in case of Thread.sleep and wait() method in case of Threads
• Java EE and Java SE classloading
• java.text.SimpleDateFormat not thread safe
• Lock wait timeout exceeded; try restarting transaction using JDBC
• Making a class singleton without using static method
• Difference between CXF and JAX-WS

Sunny Gupta answers