How much java should i know for the software testing on selenium?

Question

please suggest the topics

Answer 1

if you are testing through Java
you must know how the java classes and object works
it helps you in verifying the test cases
these concepts helps u while automating an app
OOPs
collections
loops
conditions
exception handling

Answer 2

Nope.

Answer 3

If you want learn Selenium with java, you should know basics of java.
Java is a high-level programming language originally developed by Sun Microsystems and released in 1995.

Basics of Java:
Introduction
Java platform overview
Setting up your Java development environment
Getting started with Eclipse
Object-oriented programming concepts and principles
Getting started with the Java language
Your first Java class
Adding behavior to a Java class
Strings and operators
Conditional operators and control statements
Loops
Java Collections
Archiving Java code
Writing good Java code
For more information visit here : http://itelearn.com/course/selenium-training-online/