Synechron interview questions Ahmedabad

1.) what is need of automation
2.) things to be taken care while creating automation framework
3.) different types of framework
4.) when to start automation
5.) is automation possible in agile
6.) how to do cross browser testing
7.) different types of Wait
8.) Java code to find string length without in built function
9.) find repeated character in a string aabbccdd
10.) is try with multiple catch allowed and finally block
11.) Reflection API
12.) Why main method is static
13.) Run time polymorphism
14.) Static variable
15.) overloaded method
16.) what is difference between selenium 3:0 and lower version