完了済
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1
Question02-Expressions/.gitignore
vendored
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Question02-Expressions/.gitignore
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/build/
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23
Question02-Expressions/src/main/java/Question2_1.java
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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, diff, mulch, div, rem;
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sum = 6 + 2;
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diff = 6 - 2;
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mulch = 6 * 2;
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div = 6 / 2;
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rem = 17 % 5;
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System.out.println("変数sum:" + sum);
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System.out.println("変数diff:" + diff);
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System.out.println("変数mulch:" + mulch);
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System.out.println("変数div:" + div);
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System.out.println("変数rem:" + 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 = "太郎";
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String firstName = "山田";
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System.out.println(firstName+lastName);
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}
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}
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15
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 = num + 5;
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System.out.println(num);
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}
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}
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18
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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// error
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// int sum;
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// sum = 10 + 3.14;
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double sum;
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sum = 10 + 3.14;
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System.out.println(sum);
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}
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}
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15
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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14
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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int numerator = 9;
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int denominator = 2;
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System.out.println( (float)numerator/(float)denominator );
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}
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}
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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;
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// error
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// num = 1.0;
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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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money = money - (int)( price*(1.0+taxRate) );
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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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