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 vote169 views1 answer
Hanoï recursive algorithm
Java
0 vote154 views1 answer
What is assignment in java with example
Java
3 votes281 views1 answer
Spring bean xml configuration
Java Spring
2 votes187 views1 answer
Char equals java
Java
0 vote193 views1 answer
Android setTextColor not working
Java
0 vote170 views2 answers
Sha1
Java
0 vote152 views1 answer
Equals java compare to
Java
1 vote197 views1 answer
How to iterate a stack without iterator class
Java
5 votes171 views2 answers
This keyword in java
Java
0 vote159 views1 answer
Java parse boolean to string
Java