Java Interview Questions and Answers

Java Interview Questions And Answers

Java Interview Questions and Answers

Frequently asked Interview Question and Answer in Java suites for both Freshers and Experienced Candidates.

Interview Question and Answer Set 1

1. What is difference between JDK,JRE and JVM? JVMis an acronym for Java Virtual Machine, it is an abstract...

Interview Question and Answer Set 3

21.Can we use String in the switch case? Yes from Java 7 onward we can use String in switch case but it is...

Interview Question and Answer Set 5

41.What is the difference between processes and threads ?A process is an execution of a program, while a Thread...

Interview Question and Answer Set 2

11.Why string objects are immutable in java? Because java uses the concept of string literal. Suppose there...

Interview Question and Answer Set 4

31.Explain the life cycle of a Servlet On every client’s request, the Servlet Engine loads the servlets and invokes...

Interview Question and Answer Set 6

51. What are the advantages of hibernate?Hibernate is portable i mean database independence...

Interview Question and Answer Set 7

61.What is the difference between preemptive scheduling and time slicing?Under preemptive scheduling, the highest...

Interview Question and Answer Set 9

81.What does the JDBC Connection interface?The Connection interface maintains a session with the database...

Interview Question and Answer Set 8

71.Can we call the run() method instead of start()?yes, but it will not work as a thread rather it will work as...

Interview Question and Answer Set 10

91.What are Directives ?Directives are instructions that are processed by the JSP engine, when the page is compiled...