Copy array in java

Java copy array

int[] a = {1,2,3,4,5};
int[] b = Arrays.copyOf(a, a.length);

Copy array in java

public static void arraycopy(Object source_arr, int sourcePos,
                             Object dest_arr, int destPos,
                             int len)
/* Parameters : 
source_arr : array to be copied from
sourcePos : starting position in source array from where to copy
dest_arr : array to be copied in
destPos : starting position in destination array, where to copy in
len : total no. of components to be copied
*/

How to copy array in java

// method 
public static int [] copyArray(int [] arr){
      int [] copyArr = new int[arr.length];
      for (int i = 0; i < copyArr.length; i++){
            copyArr[i] = arr[i];
       }
      return copyArr;
}

// Arrays. method 
int[] copyCat = Arrays.copyOf(arr, arr.length);

// System 
System.arraycopy(x,0,y,0,5); // 5 is array's length 

// clone 
y = x.clone();

Similar codes

3 votes209 views1 answer
Reduce in stream in java
Java
2 votes224 views2 answers
How to find out if a directory exists in cpp
Java
0 vote192 views1 answer
Get sum of int array and return string
Java
0 vote212 views1 answer
How to create space between element in vbox in javafx
Java
0 vote202 views1 answer
Java error popup
Java
2 votes223 views2 answers
Bukkit creating an inventory window
Java
0 vote210 views1 answer
Java file creation date
Java
0 vote188 views1 answer
Java files createdirectories if they don't exist
Java
4 votes223 views2 answers
Remove first character from string java
Java
0 vote206 views1 answer
Android popBackStack to specific fragment
Java