方法一:使用Java流API 我们可以利用Java的流API来将int类型转换为数组。下面是一个示例代码: importjava.util.Arrays;importjava.util.stream.IntStream;publicclassIntToArrayExample{publicstaticvoidmain(String[]args){intnumber=12345;int[]array=String.valueOf(number).chars().map(c->c-'0').toArray();S...
importjava.nio.ByteBuffer;publicclassIntToByteArray{publicstaticvoidmain(String[]args){intnumber=123456;byte[]byteArray=ByteBuffer.allocate(4).putInt(number).array();System.out.println("Int value: "+number);System.out.print("Byte array: ");for(byteb:byteArray){System.out.print(b+" ");}}...
Java转换整形(int)为字节数组(byte array)的代码 在研发期间,将开发过程比较常用的内容记录起来,下面内容段是关于Java转换整形(int)为字节数组(byte array)的内容,希望能对码农们有所帮助。 public static byte[] intToByteArray(int value) { byte[] b = new byte[4]; for (int i = 0; i < 4; i+...
int[]toArray() Returns an array containing the elements of this stream. Methods inherited from interface java.util.stream.BaseStream close,isParallel,onClose,unordered Method Detail filter IntStreamfilter(IntPredicatepredicate) Returns a stream consisting of the elements of this stream that match the...
public static byte[] intToByteArray(int a) { byte[] ret = new byte[4]; ret[0] = (byte) (a & 0xFF); ret[1] = (byte) ((a >> 8) & 0xFF); ret[2] = (byte) ((a >> 16) & 0xFF); ret[3] = (byte) ((a >> 24) & 0xFF); ...
java int to byte array private byte[] intToByteArray(final int integer) throws IOException { // ByteArrayOutputStream bos = new ByteArrayOutputStream(); // DataOutputStream dos = new DataOutputStream(bos); // dos.writeInt(integer);
3. byte array to int We can convert any byte array to int using below two techniques. 3.1 ByteBuffer Java provides aByteBufferclass to do the same.to convert any byte array, first we need to wrap up using ByteBuffer’s static method wrap and then by calling getInt() method we can get...
之后循环获取到int数组的值赋给Integer数组就可以了。举例：public static Integer[] toIntegerArray(int[] arr){ int n=arr.length;Integer[] iarr=new Integer[n];for(int i=0;i<n;i++){ iarr[i]=new Integer(arr[i]);} return iarr;} ...
int a = 12;int[] aa = {a};
toArray(new String[0]); 完整代码 import java.util.Arrays; import java.util.List; import java.util.stream.Collectors; public class Main { public static void main(String[] args) { int[] data = {4, 5, 3, 6, 2, 5, 1}; // int[] 转 List<Integer> List<Integer> list1 = Arrays....