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

0 vote160 views1 answer
Using handler runnable for refresh android
Java
4 votes161 views3 answers
Android dialog modal
Java
-1 vote165 views2 answers
Running Sum of 1d Array
Java
0 vote185 views1 answer
Set view size android
Java
0 vote145 views1 answer
Java cannot find file path
Java
0 vote215 views1 answer
Spring jpa add field to many to many table
Java Spring
16 votes158 views4 answers
Android studio alert dialog box
Java
1 vote170 views1 answer
AddAll java
Java
0 vote196 views1 answer
Android kill other app programmatically by package
Java
-1 vote113 views1 answer
Biginteger modulo java
Java