Answers for "how to declare an array without size in java"

0

define an array of size n in java

int[] myIntArray = new int[3];
int[] myIntArray = {1, 2, 3};
int[] myIntArray = new int[]{1, 2, 3};

// Since Java 8. Doc of IntStream: https://docs.oracle.com/javase/8/docs/api/java/util/stream/IntStream.html

int [] myIntArray = IntStream.range(0, 100).toArray(); // From 0 to 99
int [] myIntArray = IntStream.rangeClosed(0, 100).toArray(); // From 0 to 100
int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).toArray(); // The order is preserved.
int [] myIntArray = IntStream.of(12,25,36,85,28,96,47).sorted().toArray(); // Sort
Posted by: Guest on August-14-2020
1

how to make a fixed size array in java

dataType[] arrayRefVar = new dataType[arraySize];
Posted by: Guest on May-22-2020
-2

declare an array without size java

import java.util.ArrayList;

ArrayList<Integer> arrayName = new ArrayList<Intger>();
Posted by: Guest on January-02-2021

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