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 vote318 views4 answers
Dataframe to dict without index
Java
0 vote323 views1 answer
How to pass schema name in jdbc url
Java
0 vote320 views3 answers
How to set image dynamically in android
Java
0 vote292 views1 answer
Java gmt zoneid
Java
0 vote317 views2 answers
100k
Java
6 votes289 views1 answer
Arrays sort 2d array java
Java
0 vote318 views1 answer
Java print class type
Java
0 vote289 views1 answer
How to disable screenshot in react native
Java
36 votes319 views4 answers
Java generate random integer in range
Java
1 vote335 views2 answers
Gravity in java
Java