솔루션모음113 [파워자바] 24장 프로그래밍 솔루션 답지 1. (1) import java.io.*; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; public class Test { public static void main(String[] args) { ArrayList list = new ArrayList(); try { FileReader fr = new FileReader("input.txt"); BufferedReader br = new BufferedReader(fr); while (true) { String line = br.readLine(); if (line == null) break; int value = Integer.parseInt(li.. 2023. 2. 16. [파워자바] 23장 프로그래밍 솔루션 답지 1. import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.text.DecimalFormat; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; imp.. 2023. 2. 16. [파워자바] 22장 프로그래밍 솔루션 답지 1. import java.util.*; public class RandomList { Random r = new Random(); String[] sample = {"i", "walk", "the", "line"}; List list = (List) Arrays.asList(sample); public void add(T item){ list.add(item); } public T select() { int num = r.nextInt(list.size()); return list.get(num); } } 2. class MyMath { double v=0.0; public double getAverage(T[] a){ for (int i = 0; i < a.length; i++) v = v + a[i.. 2023. 2. 16. [파워자바] 21장 프로그래밍 솔루션 답지 1. (1) java.lang.ArrayIndexOutOfBoundsException (2) try { int i = array[10]; } catch (ArrayIndexOutOfBoundsException e) { e.printStackTrace(); } (3) public static void sub() throws ArrayIndexOutOfBoundsException { int[] array = new int[10]; int i = array[10]; } 2. class MyException extends Exception { public MyException(String message) { super(message);} } public class MyExceptionTest { public s.. 2023. 2. 16. 이전 1 2 3 4 5 6 7 ··· 29 다음
