Answer Posted / ravikiran(aptech mumbai)

checked and unchecked exceptions

FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?

3554

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Does java vector allow null?

1006

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Is integer immutable in java?

1050

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What is object of class in java?

1183

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Does substring create a new object?

1048

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How strings are created in java?

1084

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Explain enumeration in java?

1046

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What is java and its types?

1165

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Name few java.lang classes introduced with java 8 ?

1044

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What is a percentage sign called?

1190

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What is final keyword in java?

1069

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Can a class have more than one object?

1048

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What is treeset and treemap in java?

1137

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What do you mean by order of precedence and associativity?

996

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Why is an interface be able to extend more than one interface but a class can’t extend more than one class?

1216

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