カテゴリー別アーカイブ: Java
pacage jp.co.example.java15;</p> <p>public class Main { public static void main(String[] args){ for (int testNumber = 2; testNumber <= 100; testNumber++){ boolean isPrimeNumber = true;//mathtic for (int i = 2; i < testNumber; i++) { if(testNumber % i == 0) { isPrimeNumber = false; break; } }</p> <pre><code> if (isPrimeNumber){ //functic System.out.println(testNumber); } } </code></pre> <p>} }</p> <p>1 point What is code ,what to do be sure function</p> <p>2 watch out valuable boolean isPrimeNumber int i int testNumber</p> <p>public class Main { public static void main(String[] args){ for (int testNumber = 2; testNumber <= 100; testNumber++){ if (isPrimeNumber){ System.out.println(testNumber); } } } private static boolean isPrimeNumber(int testNumber){ for (int i = 2; i < testNumber; i++){ if(testNumber % i == 0){ return false; } } return true; } }</p> <p>↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓</p> <p>public class Main { public static void main(String[] args){ for (int testNumber = 2; testNumber <= 100; testNumber++){ boolean isPrimeNumber = isPrimeNumber(testNumber); if (isPrimeNumber){ System.out.println(testNumber); } } } private static boolean isPrimeNumber(int testNumber){ for (int i = 2; i < testNumber; i++){ if(testNumber % i == 0){ return false; } } return true; } }</p> <p>↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ //individaul public class Main { public static void main(String[] args){ for (int testNumber = 2; testNumber <= 100; testNumber++){//functic if (isPrimeNumber(testNumber)){ System.out.println(testNumber); } } } private static boolean isPrimeNumber(int testNumber){//mathtic for (int i = 2; i < testNumber; i++){ if(testNumber % i == 0){ return false; } } return true; } }</p> <p>///////////////////////////// /// /// /// public class Main { public static void main(String[] args){ //arrange Item Item pencil = new Item("umi-hb-001","umi HB", "yotsubisienpitsu", "120"); //view Item System.out.println("item");</p> <pre><code>//enpitu System.out.println(&quot;itemCode&quot; + pencil.getCode()); System.out.println(&quot;itemname&quot; + pencil.getName()); System.out.println(&quot;itemmaker&quot; + pencil.getMaker()); System.out.println(&quot;itemPrice&quot; + pencil.getPrice()); </code></pre> <p>} }</p> <p>/////////////////////////////// public class Item { private final String code; private final String name; private final String maker; private final int price; public Item(String code, String name, String maker, int price){ super(); this.code = code; this.name = name; this.maker = maker; this.price = price; } public String getCode(){ return code; } public String getName(){ return name; } public String getMaker(){ return maker; } public String getPrice(){ return price; } }