Question: Java questions 1-Explain the entire java life cycle? 2-What is API? Name list of API that you have used so far. 3-Does java support multiple
Java questions 1-Explain the entire java life cycle?
2-What is API? Name list of API that you have used so far. 3-Does java support multiple inheritance, explain why or why not? 4-What is method overloading and when it happens? 5-Explain exceptions in java and how to handle it. 6-What is static keyword in java? How it has been used in variables and methods ? 7-What is final and how it has been used variables and methods? 8-What is final, finally and finalize? 9-What is a constructor ? 10-Can we have multiple constructors in a class? 11-If we don't have a constructor declared, what is called during the object creation? 12-What is "this" keyword in java ? 13-What is "super" keyword in java? How many possible way can you use? 14-What is JVM stand for ? 15-Is JVM platform independent? 16-What version of java are you using? 17-What is JAR stand for ? 18-What is the difference between JDK and JVM? 19-What is the difference between JVM and JRE? 20-What is compile time and run time? 21-What is heap? 22-How java manage it's memory? 23-What is the difference between String, StringBuffer and StringBuilder? 24-What is Singleton class? 25-What is Serialization and Deserialization? 26when to use transient variable in java? 27-Difference between while and do..while loop? 28-What is Enum? 29-What is Iterator? 30-Which one will take more memory, an int or Integer? 31-Why is String Immutable in Java? 31-What is constructor chaining in Java? 32-The difference between Serial and Parallel Garbage Collector? 33-What is JIT stands for? 34-Explain Java Heap space and Garbage collection? 35-Can you guarantee the garbage collection process? 36-What is the difference between stack and heap in Java? 37-What is reflection in java and why is it useful? 38-what is multithreading in java? 39-What is the use of synchronization in Java? 40-What is Framework? 41-What are the testing Framework available in java? 42-Difference between jUnit and testNG? 43-What are the dependencies for this project? 44-what is dependency injection in java? 45-What is static binding and dynamic binding?
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