API - String import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; public class Test01 { public static void main (String[] args) { // 문자열 저장 File target = new File("files", "string1.txt"); OutputStream out = null; String text = "어둠만이 나의 전부였던 동안\r\n" + "숨이 벅차도록 달려왔잖아\r\n" + "Never say “time's up”\r\n" +..