打印流

PrintStream ps = null;
ps = new PrintStream(new FileOutputStream("d:"+File.separator+"1.txt"));
String name="张三";
int age=30;
float score=900.356f;
char sex = 'M';
ps.printf("姓名：%s;年龄：%s;成绩：%s;性别：%s",name,age,score,sex);