1030自主学習
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22
Question02-Expressions/src/main/java/Question2_1.java
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22
Question02-Expressions/src/main/java/Question2_1.java
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public class Question2_1 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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int sum = (6 + 2);
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System.out.println(sum);
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int diff = (6 - 2);
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System.out.println(diff);
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int mulch = (6 * 2);
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System.out.println(mulch);
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int div = (6 / 2);
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System.out.println(div);
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int rem = (17 % 5);
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System.out.println(rem);
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}
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}
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Question02-Expressions/src/main/java/Question2_2.java
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Question02-Expressions/src/main/java/Question2_2.java
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public class Question2_2 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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String lastName = "山田";
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String firstName = "太郎";
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System.out.println(lastName + firstName);
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}
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}
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Question02-Expressions/src/main/java/Question2_3.java
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Question02-Expressions/src/main/java/Question2_3.java
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public class Question2_3 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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int num = 10;
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num += 5;
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System.out.println(num);
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}
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}
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14
Question02-Expressions/src/main/java/Question2_4.java
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Question02-Expressions/src/main/java/Question2_4.java
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public class Question2_4 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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float sum;
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int num = 10;
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float fl= 3.14f;
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sum = num + fl;
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System.out.println(sum);
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}
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}
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Question02-Expressions/src/main/java/Question2_5.java
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Question02-Expressions/src/main/java/Question2_5.java
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public class Question2_5 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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int age = 20;
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int diff = 5;
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System.out.println("山田さんは" + age + "歳です。");
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System.out.println(diff + "年後には" + (age + diff) + "歳になります。");
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}
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}
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10
Question02-Expressions/src/main/java/Question2_6.java
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Question02-Expressions/src/main/java/Question2_6.java
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public class Question2_6 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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float sum = 9f / 2f;
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System.out.println(sum);
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}
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}
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10
Question02-Expressions/src/main/java/Question2_7.java
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Question02-Expressions/src/main/java/Question2_7.java
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public class Question2_7 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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int num = (int)1.0;
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System.out.println(num);
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}
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}
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Question02-Expressions/src/main/java/Question2_8.java
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Question02-Expressions/src/main/java/Question2_8.java
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public class Question2_8 {
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public static void main(String[] args) {
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// TODO 自動生成されたメソッド・スタブ
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int money = 1000;
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int price = 580;
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float taxRate = 0.08f;
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float tax = (int) (price * taxRate);
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float total = price + tax;
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money -= total;
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System.out.println("残金は" + money + "円です。");
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}
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}
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