14.4 Vector vs ArrayList in Java

what is vector?

Vector introduced in jdk 1.0. Vector is type of list which implement list same as array list.
It is dynamic array in which you can increased size of array. vector increased size by 100%.

what is difference between ArrayList and Vector?
Vector : 1) when exceed array limit it will increased capacity by 100%. It waste lots of memory.
2) Vector is thread safe.
3) It is slow.

ArrayList : 1) when exceed array limit it will increased capacity by 50%. It save memory.
2) ArrayList is not thread safe.
3) It is fast.

For more details, watch this video.

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[ArturoVillela]

I don't know why people teach vector in college.... priceless.

[luiszapana]

Thank you very much. I am Spanish speaking, however, even though I do not speak English well .. your videos are always helpful. You are awesome jeje. Saludos desde Jujuy Argentina!!

[sagarnayak]

Excellent content and presentation style as always..

[vladanulardzic]

Well done explained ! Keep on ! Thank you.

[EatCodeTravel]

Array List wins and you win our hearts
JAVA ALIEN

[srijakukutapu]

Thank you very much..You have made it easy to understand.

[aabid]

Key takeaways

1. Vectors increases the capacity by 100% while ArrayList increases the capacity by 50%.
2. ArrayList are faster in comparison to Vectors.
3. All in all, both are dynamic arrays.

[stith_pragya]

Thank You So Much Praveen Reddy Sir for this amazing

[surajtiwari]

capacity of ArrayList not increased by only 50%
instead it increased by 50% + 1
ex- if initial size is 100 then final is 151.

[angelsdemons]

Hi sir, when u say thread safe what advantages do u expect there

[abdullahnoori]

Thank you sir, could you please make video on keyboard shortcuts for Eclips ...? A humble request thanks @Telusko

[vijaybhatt]

Hi, can you create an video about- time complexity and space complexity of algorithm.

[worldsuckss]

so theoretically it is thread safe but not practiaclly because it is also affected by threads so it says it's thread safe but not practiaclly but theori what

[ketank]

Thank you sir... I had huge confusion.. u vanished it

[vanshajgoel]

Arraylist and vector ki fight dekne mein maja aaya

[luiszapana]

Thank you again. In the Java API there is no such information that an arraylist increases its capacity by 50% once the initial capacity is exceeded. I'm curious where you got that data from?. Saludos nuevamente desde Argentina..!

[sangamtenthouse]

i made school project in java netbeans when i opened the project on school desktop .. the design size increase automatically. guid me how to solve this probelm

[SangeetaGupta-ovrq]

please teach shortcuts like how to comment at once all, shortcuts like how you imported classes -i.e ctrl+shift+o..i learned from u this shortcut

[Ravikumar-oewx]

If Collection does not work with index no. so how it is removing data from index no.??

[purva]

How can we use iterator and enumeration here ?