What do you mean by local variable and instance variable?
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What java ide should I use?
How to add and remove nodes in Jtree?
what really hapens when a object is created using new operator? 1.is it allocates memory to all variables and methods in the class with reference to that object?
What is the difference between JDK and JVM?
what are upcasting and downcasting?
What is the difference between Error, defect,fault, failure and mistake?
How do you clear an arraylist in java?
Is Java a dying language?
Iterator in the HashMap is fail-safe means what?
What is a java object and java application?
what are the methods in object?
How to print nodes of a Binary tree?