java.util – Collections Framework-9

Which of these standard collection classes implements a dynamic array?

• AbstractList
• LinkedList
• ArrayList
• AbstractSet

Which of these class can generate an array which can increase and decrease in size automatically?

• ArrayList()
• DynamicList()
• LinkedList()
• MallocList()

Which of these method can be used to increase the capacity of ArrayList object manually?

• Capacity()
• increaseCapacity()
• increasecapacity()
• ensureCapacity()

Which of these method of ArrayList class is used to obtain present size of an object?

• size()
• length()
• index()
• capacity()

Which of these methods can be used to obtain a static array from an ArrayList object?

• Array()
• covertArray()
• toArray()
• covertoArray()

Which of these method is used to reduce the capacity of an ArrayList object?

• trim()
• trimSize()
• trimTosize()
• trimToSize()

What will be the output of the following Java program? https://gyazo.com/33f13b49749f6661b34ad51e60ca84b0

• [A, B, C, D]

• [A, D, B, C]

• [A, D, C]

• [A, B, C]

What will be the output of the following Java program?

https://gyazo.com/3cb2900c0b07825763f60c2bc10b0258

• 0

• 1

• 2

• Any Garbage Value

What will be the output of the following Java program?

https://gyazo.com/f523cd35b2806fb4fd9efca1fecf9520

• 1

• 2

• 3

• 4

What will be the output of the following Java program?

https://gyazo.com/4ea3062c5f17dbe07cfa2b9a49d379de

• 1

• 2

• 3

• 4