📄 count.java
字号:
import java.io.*;public class Count { public static void countChars(InputStream in) throws IOException { int count = 0; while (in.read() != -1) count++; System.out.println("Counted " + count + " chars."); } public static void main(String[] args) throws Exception { if (args.length >= 1) countChars(new FileInputStream(args[0])); else System.err.println("Usage: Count filename"); }}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -