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 vote181 views1 answer
@Bean public ModelMapper modelMapper() { ModelMapper modelMapper = new ModelMapper(); modelMapper.getConfiguration() .setMatchingStrategy(MatchingStrategies.STRICT); }
Java
0 vote188 views2 answers
Jpa mapping
Java
0 vote194 views1 answer
Lelen suratlari ramkasidagi oltinlar
Java
0 vote190 views1 answer
Java printf trailing whitespace
Java
4 votes236 views1 answer
Java how to print a string[]
Java
0 vote180 views1 answer
Terminate function calling in java
Java
0 vote168 views1 answer
Java summe array
Java
0 vote175 views1 answer
What does setFocusable do in java
Java
1 vote196 views1 answer
How to create object of non static inner class
Java
0 vote181 views1 answer
Common exceptions in java
Java