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Java String new line

我在java感到厌恶。我如何在每10个特点中插入一条新路线,条件是它必须是空间? 和

“我是男孩”

应当阐明

每一条新线。

Answer 1

class NewLiner {
    public static void main(String[] args) {

        String test = "0 2 4 6 8 10";

        char[] cs = test.toCharArray();
        int step = 10;
        int count = (int) (cs.length / step);
        int limit = count * step + 1;

        for (int i = step - 1; i < limit; i+= step) {
            if (Character.isWhitespace(cs[i])) {
                cs[i] =  
 ;
            }
        }

        System.out.println(new String(cs));

    }
}

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