如何追加"\n",从字面上看,不像特殊字符.
我不会这样做:
StringBuffer st = new StringBuffer;
st.append(text1);
st.append("\n");
st.append(text2);
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和输出字符串:
text1 \n text2
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不
text1
text2
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Emi*_*mil 13
StringBuffer st = new StringBuffer();
st.append("Hello");
st.append("\\n"); //<- the first \ escapes the second
st.append("World");
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