How to convert a Byte Array to an Int Array

Question

I am reading a file by using:

int len = (int)(new File(args[0]).length());
    FileInputStream fis =
        new FileInputStream(args[0]);
    byte buf[] = n         


        

Answer 1

In java:

• byte = 8 bits
• integer = 32 bits

and for conversion you could do something like:

byte[] byteArray = new byte[] {123, 12, 87};
int[] intArray = new int[byteArray.length];

// converting byteArray to intArray
for (int i = 0; i < byteArray.length; intArray[i] = byteArray[i++]);

System.out.println(Arrays.toString(intArray));

this would output:

[123, 12, 87]