Hi Vithika, hope you are doing well, yes there are many resources available on the Internet from where you can start your Interview Preparations, some of the most asked Java Interview Questions are;
1: What is Java?
2: Why Java is Platform Independent Language
3: What is the difference between Java and C++?
4: What is the difference between JDK, JRE, and JVM?
5: What is JIT Compiler?
6; What do you understand by an instance variable and a local variable?
7: What do you mean by data encapsulation?
8: What is constructor overloading?
9: Is the Empty .java file name a valid source file name?
10: What is an object-oriented paradigm?
and many more Interview questions and answers are available on the internet and hope this will help you.
Thank you