How to 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

-1 vote202 views1 answer
Spring boot show sql
Java Spring
2 votes163 views1 answer
Java text ouput to console
Java
0 vote125 views1 answer
List value to string
Java
0 vote181 views1 answer
Pattern exercises for java
Java
0 vote154 views1 answer
Function compose method java 8
Java
2 votes155 views1 answer
Java resize image
Java
2 votes167 views1 answer
Priority queue java comparator
Java
0 vote158 views2 answers
Print line number java
Java
90 votes237 views6 answers
How to split a string in Java
Java
5 votes160 views2 answers
Print map in java log
Java