Recent questions tagged ArrayList

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arraylist - Kotlin MutableList initial capacity

I'm creating a list of values, in a context where it so happens that, though the values are being added ... difference to speed. Something else? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - javafx tableview data from List

I've got problem with TableView in JavaFX. Creating tables from existing class with all fields defined is easy. ... like that even possible? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - Is there a longer than int Java List?

I can't seem to find a Java List that's max length is long's max value. Does such a List exist? If so, where? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - android: problem with Serializable object put into intent

Hi i have problem with a class i want to pass in an intent by putting it into the putExtras() Its serializable ... {...} it works fine See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - Check whether list of custom objects have same value for a property in Java 8

I am new to Java 8. I have a list of custom objects of type A, where A is like below: class A { int id; ... do the same in java 8 using stream? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - In Java, can you modify a List while iterating through it?

I understand that in Java a Collection<E> should not be modified while iterating through it, such as removing or ... a ListIterator, be better? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - Java sharing same values in a class

I have a class called Hand and another class to test it. Hand uses global variables and change their values ... arraylist. Can I separate them? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - java.util.ConcurrentModificationException thrown when adding to List

When I run this, I get a java.util.ConcurrentModificationException despite me using iterator.remove(); it's obviously me ... Value:"+value); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - Java 8 Streams - Compare two Lists' object values and add value to new List?

I have two Lists containing objects of this class: public class SchoolObj { private String name; private String ... return listOneList; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - Java Concurrent Modification Exception Error

Im playing around with some code for my college course and changed a method from public boolean removeStudent(String ... why is it happening? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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495 views

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arraylist - Java - adding elements to list while iterating over it

I want to avoid getting ConcurrentModificationException. How would I do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

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arraylist - How can I create a list Array with the cursor data in Android

How can I create a list Array (the list display First Alphabet when scroll) with the cursor data? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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735 views

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arraylist - JPA passing list to IN clause in named native query

I know I can pass a list to named query in JPA, but how about NamedNativeQuery? I have tried many ways but still ... (user[2]); //output 7 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arraylist - How to Retrieve a List object from the firebase in android

I am having trouble retrieving a List from the Firebase. I have no trouble storing it, but as soon ... String taskDescription String taskTitle } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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