Why singleton class is used in java?
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How does abstract modifier work?
What is the purpose of a transient variable?
What is the use of inner class?
What is the purpose of the return statement?
Is set ordered in java?
How to change the priority of thread or how to set priority of thread?
What are the two types of java?
Can we have a abstract class withought any method? What is a purspose of this?
class{ ... ... interface myinterface{ ... ... } abstract class{ .. .. } ... .. .. } is this possible to write "Interface and/ or Abstract class inside a class ? if possible whcich one is possible is only interface? is only abstract?
What are the differences between path and classpath variables?
What is re-factoring in software?
What is a protected void?