Method main

day12/code/day12_String/src/cn/itcast_01/StringDemo.java:27–72

(String[] args)

 */
public class StringDemo {
	public static void main(String[] args) {
		// public String():����String����
		String s1 = new String();
		System.out.println("s1:" + s1);
		System.out.println("s1.length():" + s1.length());
		System.out.println("--------------------------");

		// public String(byte[] bytes):���ֽ�����ת���ַ�����
		byte[] bytes = { 97, 98, 99, 100, 101 };
		String s2 = new String(bytes); // ����ֵת�ɶ�Ӧ���ַ�ֵ
		System.out.println("s2:" + s2);
		System.out.println("s2.length():" + s2.length());
		System.out.println("--------------------------");

		// public String(byte[] bytes,int index,int length):���ֽ������е�һ����ת���ַ���
		// String s3 = new String(bytes, 1, 2);
		String s3 = new String(bytes, 0, bytes.length);
		System.out.println("s3:" + s3);
		System.out.println("s3.length():" + s3.length());
		System.out.println("--------------------------");

		// public String(char[] value):���ַ�����ת���ַ���
		char[] chs = { 'a', 'b', 'c', 'd', 'e', '��', '��', 'ϼ' };
		String s4 = new String(chs);
		System.out.println("s4:" + s4);
		System.out.println("s4.length():" + s4.length());
		System.out.println("--------------------------");

		// public String(char[] value,int index,int count):���ַ������һ����ת���ַ���
		// ������Ҫ������ַ�����:de����
		String s5 = new String(chs, 3, 4);
		System.out.println("s5:" + s5);
		System.out.println("s5.length():" + s5.length());
		System.out.println("--------------------------");

		// public String(String original):���ַ���ת���ַ���
		String s6 = new String("helloworld");
		System.out.println("s6:" + s6);
		System.out.println("s6.length():" + s6.length());
		System.out.println("--------------------------");

		// Java �����е������ַ�������ֵ���� "abc" ������Ϊ�����ʵ��ʵ�֡�
		String s7 = "helloworld";
		System.out.println("s7:" + s7);
		System.out.println("s7.length():" + s7.length());
	}
}