Java第一次实验---凯撒密码 实验内容 实现凯撒密码,并进行测试. 实验代码 import java.io.*; import java.util.Scanner; public class ksmm{ public static void main(String[] args){ System.out.print("请输入密钥:"); Scanner s=new Scanner(System.in); int a=s.nextInt(); C(a); } public stati
reference:http://examples.javacodegeeks.com/core-java/lang/string/java-string-class-example/ 1. Introduction In this example we are going to discuss about the basic characteristics of Java String Class. String is probably one of the most used types i
Java String.contains()方法 Java String.contains()方法用法实例教程, 返回true,当且仅当此字符串包含指定的char值序列 描述 java.lang.String.contains() 方法返回true,当且仅当此字符串包含指定的char值序列 声明 以下是声明java.lang.String.contains()方法 public boolean contains(CharSequence s) 参数 s -- This is the sequen