package whatsupjava;
public class StringBufferTest {
public static void main(String[] args) {
StringBuffer sb = new StringBuffer();//StringBuffer형 변수 생성
sb.append('R');//char형
sb.append("ealty "); //String형
sb.append(2007); //int
sb.append(' ');
sb.append(7.5);//double
System.out.println(sb);
sb.insert(6, ", B");//String
sb.insert(9, 'C');//Char
System.out.println(sb);
}
}
package whatsupjava;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class ReverseString {
public static void main(String[] args) throws IOException{
System.out.println("거꾸로 뒤집을 문자열을 입력 : ");
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String str = in.readLine(); //키보드로 한 줄 입력
StringBuffer sb = new StringBuffer(str);
System.out.println(sb.reverse());//거꾸로 뒤집은 문자열 출력
}
}
