JAVA Arrays.copyOf

import java.util.Arrays;

public class CopyArrayTest {
    
    

	public static void main(String[] args) {
    
    
		int n = 10;
		int [] numbers = new int [n];
		for( int i = 0; i < numbers.length; i++)
		{
    
    
			numbers[i] = i + 1;
		}
		System.out.println(Arrays.toString(numbers));
		int Numbers[] = Arrays.copyOf(numbers, numbers.length/2);
		System.out.println(Arrays.toString(Numbers));

	}
}

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転載: blog.csdn.net/qq_53703628/article/details/112081880