arraycopydemo2.java

西电科大的基于java面向对象教程

public class ArrayCopyDemo2 {
    public static void main(String[] args) {
        char[] copyFrom = { 'd', 'e', 'c', 'a', 'f', 'f', 'e',
			    'i', 'n', 'a', 't', 'e', 'd' };

        char[] copyTo = new char[7];
		//复制前两个数组对象的引用不同
		System.out.println("copyFrom="+copyFrom);
		System.out.println("copyTo="+copyTo);

		System.out.println("copy...");
        System.arraycopy(copyFrom, 2, copyTo, 0, 7);

        //复制后两个数组对象的引用仍然不同
		System.out.println("copyFrom="+copyFrom);
		System.out.println("copyTo="+copyTo);

        System.out.println(new String(copyTo));
    }
}