1、写一方法 String str1=”1357” String str2=”2468” 将str1,str2合并并输出”12345678”
要求有输入和输出参数
2、For(int i=0;i<vector.size;++i){ Int n=5; Sting s=”KOKO”;…………}如何优化这个程序
For(int i=vector.size-1;i>=0;--i){ …….}
要求有输入和输出参数
2、For(int i=0;i<vector.size;++i){ Int n=5; Sting s=”KOKO”;…………}如何优化这个程序
For(int i=vector.size-1;i>=0;--i){ …….}
char[] cha =(str1+str2).toCharArray();转字符串数组
//Create a object of StringBuffer class
StringBuffer strbuf = new StringBuffer();
strbuf.append(str1);
strbuf.append(str2);
return strbuf.toString();
}
import java.util.Arrays;public class Lianxi { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
// String s1 = "1357";
// String s2 = "2468";
String s1;
String s2;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入第一个字符串:");
try {
s1 = br.readLine();
System.out.println("请输入第二个字符串:");
s2 = br.readLine();
br.close();
String s = s1+s2;
char[] chars = s.toCharArray();
Arrays.sort(chars);
System.out.println(chars);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}}
import java.io.*;
import java.util.Arrays;public class Lianxi { /**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
// String s1 = "1357";
// String s2 = "2468";
String s1;
String s2;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("请输入第一个字符串:");
try {
s1 = br.readLine();
System.out.println("请输入第二个字符串:");
s2 = br.readLine();
br.close();
String s = s1+s2;
char[] chars = s.toCharArray();
Arrays.sort(chars);
System.out.println(chars);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}}