设有如下代码段 1Strings=null; 2if(s!=null
设有如下代码段 1Strings=null; 2if(s!=null
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;
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.
It's cash given with no strings touched.
Strings of the same thickness made of nylon are ______.
Strings of the same thickness made of nylon are ______.
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;
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
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”;
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”;