arraycopydemo1.java

西电科大的基于java面向对象教程

public class ArrayCopyDemo1 {
    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];
		//赋值前两个数组对象的引用不同
		System.out.println("copyFrom="+copyFrom);
		System.out.println("copyTo="+copyTo);

		copyTo=copyFrom;
		//赋值后两个数组对象的引用相同
		System.out.println("copyFrom="+copyFrom);
		System.out.println("copyTo="+copyTo);
		System.out.println(copyTo.length);
    }
}