How do you use compareto?
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How does list work in java?
What is overriding in java?
What are the differences between string, stringbuffer and stringbuilder?
What is the difference between Grid and Gridbaglayout?
Can arraylist contain null values?
Give a practical example of singleton class usage?
Can we change the scope of the overridden method in the subclass?
How do you detect memory leaks?
What is aggregation and composition ?
Explain wait(), notify() and notifyall() methods of object class ?
write a program to create an arraylist with string(add,remove) operation.and value should be enter through keyboard.
What are field variable and local variable?