字符串x2+些许作业

Stringa="mingrihaijideJAVAbu";
charb[]=newchar[a.length()];
for(inti=0;i<a.length();i++){
b[i]=a.charAt(i);
}
inte=0;
for(charc:b){
if(c=='i'){
e++;
}
}
System.out.println(e);

Stringb[]=a.split("i");
System.out.println(b.length-1);

//第二题
Stringa="mingrihaijideJAVAbu";
charb[]=newchar[a.length()];
intj=0;
for(inti=0;;i++)
{
j++;
if(j>a.length()-1)
{
break;
}
if(a.charAt(j)=='')
{
i--;
}
else{
b[i]=a.charAt(j);
}
}
Stringc=newString(b);
System.out.println(c);

//

Stringa="mingrihaijideJAVAbu";
charb[]=newchar[a.length()];
intj=0;
for(inti=0;i<a.length()-1;i++)
{
if(a.charAt(i)=='')
{
continue;
}
else{

b[j]=a.charAt(i);
j++;
}
}
Stringc=newString(b);
System.out.println(c);