What are 4 pillers of object orinted programming?

1089

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What do you mean by an object in java?

1194

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Justify your answer that you can't define a method inside another method in java, if you can then how?

1284

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Differentiate between array list and vector in java.

1165

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What is outofmemoryerror in java?

1085

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What do you understand by classes in java?

1048

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Why do we create public static method in java?

1178

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Why we do exception handling in java and how many types of exceptions are there?

1192

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What is operator overloading. Is it is supported in java?

1109

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What is the difference between jdk, jre, and jvm?

1203

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What is difference between equals and hashcode method?

1217

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What is the purpose of final keyword and when to use it?

1073

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What is difference overloading and overriding?

1262

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What is difference between throw and throws ?

1216

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How thread scheduler schedule the task?

1117

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