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;
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+;
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
下面程序段的输出结果是()。Strings0=newString("hello,中国!");System.out.println(s0.length()); A: 10 B: 11 C: 9 D: 15
下面程序段的输出结果是()。Strings0=newString("hello,中国!");System.out.println(s0.length()); A: 10 B: 11 C: 9 D: 15
下面程序段输出的结果是()。Strings0=newString(“hello,Java!”);System.out.println(s0.length()); A: 10 B: 11 C: 9 D: 15
下面程序段输出的结果是()。Strings0=newString(“hello,Java!”);System.out.println(s0.length()); A: 10 B: 11 C: 9 D: 15
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”;