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 vote300 views1 answer
How to normalize a vector in libgdx
Java
5 votes316 views1 answer
Get image to imageview from sqlite database android studio
Java
2 votes304 views2 answers
Upcasting in java
Java
0 vote350 views1 answer
Show all spring boot beans
Java Spring
22 votes335 views4 answers
Iterate through an arraylist java
Java
0 vote322 views1 answer
List class type java
Java
0 vote315 views1 answer
Jlabel text grösse
Java
0 vote329 views1 answer
Comparestring java
Java
0 vote312 views3 answers
Varargs java
Java
19 votes309 views6 answers
Java array to list
Java