import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
public class Main05 {
public static void main(String[] args) {
try {
PrintStream ps = new PrintStream(new FileOutputStream(new File("src//JavaIO//test.txt")));
/*相当于：File file = new File("src//JavaIO//test.txt");
FileOutputStream fos = new FileOutputStream(file);
PrintStream ps = new PrintStream(fos);*/
ps.print("hello ");
ps.println("word!!!");
ps.println("1 + 1 = "+2);
String name = "李小龙";
int age = 37;
float weight = 68.45f;
char sex = 'M';
ps.printf("姓名：%s;年龄：%d;体重：%f;性别：%c",name,age,weight,sex);
ps.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
test.txt文档：
hello word!!! 1 + 1 = 2 姓名：李小龙;年龄：37;体重：68.449997;性别：M
