
java - How do I initialize a float array, with variable lengths, inside ...
Filling the array can be done with a loop or using the JRE supplied Arrays class helper methods. You will need to handle the first and last index in the array separately: public float[] …
Java convert Arraylist<Float> to float [] - Stack Overflow
Jan 29, 2011 · The nullcheck is mandatory to avoid NullPointerException because a Float (an object) can be null while a float (a primitive) cannot be null at all. In case you're on Java 8 …
How can I convert an ArrayList of floats to a primitive float array ...
Sep 11, 2017 · float[] array = LazyIterate.adapt(floats).collectFloat(Float::floatValue).toArray(); If you use the built in primitive collections, you can simply convert a FloatList to a float array as …
java - Can an array contain integers and floats - Stack Overflow
Jun 22, 2011 · A int of float does not fit into a Object[] array. However, by autoboxing java will put a Float or Integer into the array instead. Both Float and Integer extend Number. So you can …
Java function for int[], float[] or double[] array - Stack Overflow
Oct 2, 2011 · Convert int[] and float[] arrays to double[] and work with doubles all along. Preferably create overloaded versions of your method where the ones taking int[] and float[] …
java - create a float Array with numbers - Stack Overflow
Nov 20, 2013 · I want to create a method which generate a array with (float) values at each point. my current approach: static float[] createFloatArrayWithNumbers(int count){ float arr []= new …
java - Transform array to list - Stack Overflow
Sep 28, 2011 · If you use Float instead of float for the array, it will work if the compiler knows that value is an array - which it doesn't. Add a cast: Add a cast: new ArrayList<Float> …
java - How to get a Stream from a float [] - Stack Overflow
May 27, 2016 · from 'Java SE 8 for the Really Impatient' : "If you want to store short, char, byte, and boolean, use an IntStream, and for float, use a DoubleStream. The library designers didn’t …
java - Convert from List<Integer> to array float - Stack Overflow
Jul 28, 2013 · Float result[] = arrResult.toArray( new Float[arr.size()]); But, that's really not required. Because, now you would have to convert this to primitive type array. That is too …
How to convert array of floats to array of doubles in Java?
Jan 7, 2010 · Andreas_D explained it. I needed to make two libraries to play with each other. One of then works with double[] vectors, the other with float[] (vector in the mathematical meaning). …