1. 把Strings转换成int和把int转换成String
String a = String.valueOf(2); //integer to numeric string[@more@]
int i = Integer.parseInt(a); //numeric string to an intString a = String.valueOf(2); //integer to numeric string
int i = Integer.parseInt(a); //numeric string to an int向Java文件中添加文本
Updated: Thanks Simone for pointing to exception. I have changed the code.
BufferedWriter ut = null;
try {
out = new BufferedWriter(new FileWriter(” filename”, true));
out.write(” aString”);
} catch (IOException e) {
// error processing code
} finally {
if (out != null) {
out.close();
}
}
BufferedWriter ut = null;
try {
out = new BufferedWriter(new FileWriter(”filename”, true));
out.write(”aString”);
} catch (IOException e) {
// error processing code
} finally {
if (out != null) {
out.close();
}
}
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