KUKA编程如何实现实数转换成字符串

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String str="9f3k2j5z031";char[] ch=str.toCharArray();char[] temp=new char[ch.length];int count=0;for(char c:ch){if(c>57){count++;}}System.arraycopy(ch, 0, temp, 0, ch.length);Arrays.sort(temp);System.out.println(count);System.out.println(new String(temp));int size=temp.length;for(int i=0;i<size;i++){if((i/2)<count&&i%2==0){System.out.print(temp[size-1-(i/2)]);}else if((i/2)<count&&i%2==1){System.out.print(temp[(i/2)]);}else{System.out.print(temp[i-count]); }}