//字符串概述
public class test40 {public static void main(String[] args){char[] str1={'1','2','3','4','5','6','7','8','9'};String str2=new String("我是歌谣");String str3=new String(str1);String str4=new String(str1,3,4);String str5=new String("\"\\");System.out.println(str2);System.out.println(str3);System.out.println(str4);System.out.println(str5);}
}

运行结果