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  • 字符串x2+些许作业

            String a="mingrihaijideJAVAbu";
            char b[] = new char[a.length()];
            for(int i=0;i<a.length();i++){
                b[i]=a.charAt(i);
            }
            int e=0;
            for(char c:b){
                if(c=='i'){
                    e++;
                }
            }
            System.out.println(e);
    
    
    
    String b[]=a.split("i");
            System.out.println(b.length-1);
    
    
    
    //第二题
    String a="  ming  ri  ha ij id  eJ A VA bu";
            char b[] = new char[a.length()];
            int j=0;
            for(int i=0;;i++)
            {
                j++;
                if(j>a.length()-1)
                {
                    break;
                    }
                if(a.charAt(j)==' ')
                {
                i--;
                }
            else{
                b[i]=a.charAt(j);
                 }
            }
            String c=new String(b);
            System.out.println(c);

    //
    String a="  ming  ri  ha ij id  eJ A VA bu";
            char b[] = new char[a.length()];
            int j=0;
            for(int i=0;i<a.length()-1;i++)
            {
                if(a.charAt(i)==' ')
                {
                continue;
                }
            else{
                
                b[j]=a.charAt(i);
                j++;
                 }
            }
            String c=new String(b);
            System.out.println(c); 
    
    
    
     
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  • 原文地址:https://www.cnblogs.com/storm47/p/5231567.html
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