java(자바) CharSequence 를 String 으로 변환하는 방법

import org.junit.Test; public class CharSequenceTest { @Test public void test1() throws Exception { String s = "a string"; CharSequence cs = new StringBuffer("a string"); String s2 = cs.toString(); System.out.println("s.equals(s2): " + s.equals(s2)); System.out.println("s == s2: " + (s == s2)); cs = new StringBuilder("a string"); s2 = cs.toString(); System.out.println(s2); } } 출력결과> s.equals(s2): true s == s2: false a string...