What is singleton class in java and how can we make a class singleton?
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What is the difference between the size and capacity of a vector?
Why java does not support pointers?
Is there a jre for java 11?
what is instanceof operator used in java?
all are saying java doesn't support multiple inheritance but by default Object class is super class for all the user defined classes and we can extend atmost one class so each class can extend more than one class so java supports multiple inheritance?i am confused with this,pls any one explain me.
What is the difference between a checked and an unchecked exception?
What does || mean in code?
How can we make sure main() is the last thread to finish in java program?
What is the function of static in java?
Explain differences between checked and unchecked exceptions in java?
What are the different types of data structures in java?
Define Compiling?