int array java

int intArray[];    //declaring array
intArray = new int[20];  // allocating memory to array
//OR
int[] intArray = new int[20]; // combining both statements in one

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3.83

John Wheal 65 points

                                    int[] array1 = new int[5]; //int array length 5
String[] array2 = new String[5] //String array length 5
double[] array3 = new double[5] // Double array length 5

Thank you! 6

3.83 (6 Votes)

3.67

Eko Yuliawan 110 points

                                    int[] array = new int[/*size*/];
// Works for double, char, etc.

Thank you! 6

3.67 (6 Votes)

4.2

CarpeDiem4U2 105 points

                                    int number = 110101; 
String temp = Integer.toString(number);
int[] numbers = new int[temp.length()];
for (int i = 0; i &lt; temp.length(); i++) {
    numbers[i] = temp.charAt(i) - '0';
}

Thank you! 10

4.2 (10 Votes)

Ctouw 95 points

                                    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

Thank you! 0

3.5

Kristina 110 points

                                    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

Thank you! 4

3.5 (4 Votes)

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