Java 배열 클론

1 개요

Java clone array

자바 배열 클론

import java.util.Arrays;
public class MyClass {
    public static void main(String args[]) {
        String a[] = {"a","b","c"};
        String b[] = Arrays.copyOf(a, a.length);
        a[0] = "hello";
        System.out.println( Arrays.toString(a) );
        // [hello, b, c]
        System.out.println( Arrays.toString(b) );
        // [a, b, c]
    }
}

import java.util.Arrays;
public class MyClass {
    public static void main(String args[]) {
        String a[] = {"a","b","c"};
        String b[] = new String[a.length];
        System.arraycopy( a, 0, b, 0, a.length );
        a[0] = "hello";
        System.out.println( Arrays.toString(a) );
        // [hello, b, c]
        System.out.println( Arrays.toString(b) );
        // [a, b, c]
    }
}

2 같이 보기

• 딥카피

3 참고

• https://stackoverflow.com/questions/5785745/make-copy-of-array