摘要:
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; //文件的复制 public class Demo03Copy { public static void main 阅读全文
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import java.io.FileOutputStream; import java.io.IOException; /*换行符号: window:\r\n Linux:/n mac:/r*/ public class Demo03OutPutStream { public static voi 阅读全文
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import java.io.FileInputStream; import java.io.IOException; import java.util.Arrays; //一次读取多个字节 public class Demo02InPutStream { public static void ma 阅读全文
摘要:
import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.util.Arrays; public class Demo02OutPutStream { p 阅读全文
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public class Demo01Recurison { public static void main(String[] args) { int sums = sum(3); System.out.println(sums); } private static int sum(int n) { 阅读全文