大家好,又见面了,我是全栈君。
public static void main(String args[]){ BytesWritable cv = new BytesWritable(); String str1 = "1234567"; String str2 = "123450"; cv.set(str1.getBytes(), 0, str1.getBytes().length); System.out.println(new String(cv.getBytes())); cv.set(str2.getBytes(), 0, str2.getBytes().length); System.out.println(new String(cv.getBytes())); }output: 1234567 1234507public static void main(String args[]){ BytesWritable cv = new BytesWritable(); String str1 = "1234567"; String str2 = "123450"; cv.set(str1.getBytes(), 0, str1.getBytes().length); System.out.println(new String(cv.getBytes())); cv.setCapacity(0); cv.set(str2.getBytes(), 0, str2.getBytes().length); System.out.println(new String(cv.getBytes())); } output: 1234567 123450
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