下面的哪些程序片断可能导致错误?() A: Strings=“Gonewiththewind”;Stringt=“good“;Stringk=s+t; B: Strings=“Gonewiththewind”;Stringt;t=s[3]+“one”; C: Strings=“Gonewiththewind”;Stringstandard=s.toUpperCase(); D: Strings=“homedirectory”;Stringt=s–“directory”;

下面的表达式中正确的是() A: Strings=“你好”；inti=3;s+=i; B: Strings=“你好”；inti=3；if(i==s)s+=i； C: Strings=“你好”；inti=3；s=i+s； D: Strings=“你好”；inti=3;s=i+；

下面的表达式哪些是正确的?() A: Strings="你好";inti=3;s+=i; B: Strings="你好";inti=3;if(i==s){s+=i}; C: Strings="你好";inti=3;s=i+; D: Strings="0";inti=(s!=null)&&(s.length()>0)?s.length():0;

It's cash given with no strings touched.

Strings of the same thickness made of nylon are ______.

阅读下面的语句块,1.StringBufferSb=newStringBuffer("abc");2.StringS=newString("abc");3.Sb.append("def");4.S.append("def");5.Sb.insert(1,"ghi");6.S.concat(sb);编译出错的有哪几行 A: 2 B: 3 C: 4 D: 6

在java中，下列语句不能通过编译． A: Strings=”john”+”was”+”here”; B: Strings=”john”+3; C: inta=3+5; D: floatf=5+5、5;

The tuning of the four strings of the cello from low to high are

‍The tuning of the four strings of the cello from low to high are ‍‍‍

在Java中，下列哪条语句会出现编译错误?（） A: inta=3+5; B: Strings=“join”+3; C: floatf=5+5.5; D: Strings=“join”+“was”+“here”;