placement papaers of spring computing technology
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What is an exception in java?
Which of the following is not an isolation level in the JDBC
What is immutability in java?
There can be a abstract class without abstract methods, but what is the need to declare a class abstract if it doesn't contain abstract methods?
Can we catch more than one exception in a single catch block?
Can we change the value of static variable?
How to extract HashMap values?
What are the differences between heap and stack memory in java?
What is default switch case? Give example.
What is more advisable to create a thread, by implementing a Runnable interface or by extending Thread class?
What are the different types of multitasking?
What is the purpose of garbage collection in java? When is it used?