Recent questions tagged util

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Q: Explain Which of these classes provide implementation of map interface?

Which of these classes provide implementation of map interface? (a) ArrayList (b) HashMap (c) LinkedList (d) ... Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these method is used to remove all keys/values pair from the invoking map?

Which of these method is used to remove all keys/values pair from the invoking map? (a) delete() (b) ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these method Map class is used to obtain an element in the map having specified key?

Which of these method Map class is used to obtain an element in the map having specified key? (a) ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these methods can be used to obtain set of all keys in a map?

Which of these methods can be used to obtain set of all keys in a map? (a) getAll() (b) getKeys( ... The Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these class object can be used to form a dynamic array?

Which of these class object can be used to form a dynamic array? (a) ArrayList (b) Map (c) Vector ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these are legacy classes?

Which of these are legacy classes? (a) Stack (b) Hashtable (c) Vector (d) All of the mentioned I ... The Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these is the interface of legacy?

Which of these is the interface of legacy? (a) Map (b) Enumeration (c) HashMap (d) Hashtable I had ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain What is the name of a data member of class Vector which is used to store a number of elements in the vector?

What is the name of a data member of class Vector which is used to store a number of elements in the ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these class object uses the key to store value?

Which of these class object uses the key to store value? (a) Dictionary (b) Map (c) Hashtable (d) ... Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance

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Q: Explain Which of these method is used to insert value and its key?

Which of these method is used to insert value and its key? (a) put() (b) set() (c) insertElement( ... The Collections Framework of Java Select the correct answer from above options...

asked Mar 1, 2022 in Education by JackTerrance