chengmaoning的专栏

C++中有字符串转为整数的函数atoi，比较简单就不解释了，多看源码多多思考，源码如下：#include "stdafx.h"#include #include int my_atoi(const char *p){ assert(p != NULL); bool neg_flag = false; int res = 0; if (p[0] == '+' || p[0] ==

方法很简单，再添加文本后，添加下面一句，将光标置于文本末尾。jtextarea.setCaretPosition(jtextarea.getText().length);

public String readALine(String file) throws Exception { InputStream is = this.class.getResourceAsStream(file); InputStreamReader isr = new InputStreamReader(is, "UTF-8"); BufferedReader br = new