摘要:
FileInputStream file1 = new FileInputStream("E:/abc/hello.txt"); FileOutputStream file2 = new FileOutputStream("E:/cba/hello.txt"); int i = 0; while(( 阅读全文
posted @ 2021-12-10 09:22
無zz
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摘要:
public class Quchong { public void quchong(){//set集合 Scanner s = new Scanner(System.in); System.out.println("请输入一个字符串"); String a = s.next(); Set set 阅读全文
posted @ 2021-12-07 17:11
無zz
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