What type of variable is error flag?


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More Core Java Interview Questions

Q) I have a ArrayList object, in that object i have added 5 integer values, 5 float values, 5 string values. Now question is how can delete particular type of data ( i.e all int values or all float values or string values) in that list object at a time?

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Is there is any difference between a scrollbar and a scrollpane?

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Explain the importance of thread scheduler in java?

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how and when compiler knows that the Java code throws the checked Exception.

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What is the benefit of inner classes in java?

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Does java allow default arguments?

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What is map and hashmap? also tell the difference.

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What are streams in java 8?

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