The first code showed that the constructor arraylist<double>(double, double, double) is undefined and the second code shows that dimensions are required after double. 1 with eclipse collections you could create a primitive double list, sort it and then reverse it to put it in descending order I'm trying to use the below code to calculate the average of a set of values that a user enters and display it in a jtextarea but it does not work properly
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Say, a user enters 7, 4, and 5, the prog.
3 i tried below code to find duplicate values from list 1) create a set of duplicate list 2) iterated through set by looking in duplicate list.
How can i check if a list has any duplicates and return a new list without duplicates? How to multiply all elements in an doubles list Asked 12 years, 1 month ago modified 12 years, 1 month ago viewed 27k times 4 if you want a list of triplets of doubles, consider instead creating an object that will hold 3 doubles
This gives your code some semantic meaning, is much easier to read and prevents you mistakenly adding an array of 4 or 5 doubles to your list For example, if you were trying to store 3d coordinates, you might have this: List<double> framelist = new arraylist<double>() /* double elements has added to framelist */ how can i have a new variable has a type of double[] from that variable in java with high performance?
Keep in mind that for large lists, that is not recommended since you will initialize two arrays of 10 (the new double [10] will generate 10 doubles, the list<double> will the copy it internally)
Also, the guava version doesn't do a full traverse, it's a live list view of the primitive array, converting primitives to objects only when they are accessed.
