public class Main {
public static void main (String[] args) {
// 配列の宣言と初期化
int[] numbers = new int[3];
numbers[0] = 10;
numbers[1] = 20;
numbers[2] = 30;
System.out.println(numbers[1]);
}
}
出力結果:
20
public class Main {
public static void main (String[] args) {
// 宣言時に初期値を設定
String[] animals = {"イヌ", "ネコ", "ウサギ"};
System.out.println(animals[0]);
System.out.println(animals.length);
}
}
public class Main {
public static void main (String[] args) {
String[] pets = {"イヌ", "ネコ", "ハムスター", "インコ"};
for (int i = 0; i < pets.length; i++) {
System.out.println((i + 1) + "番目: " + pets[i]);
}
}
}
public class Main {
public static void main (String[] args) {
int[] weights = {5, 3, 12, 8, 15};
int total = 0;
for (int weight : weights) {
total += weight;
}
System.out.println("動物の総重量: " + total + "kg");
}
}
public class Main {
public static void main (String[] args) {
String[] zoo = {"ライオン", "ゾウ", "キリン", "サル"};
String target = "ゾウ";
for (int i = 0; i < zoo.length; i++) {
if (zoo[i].equals(target)) {
System.out.println(target + "は" + (i + 1) + "番目にいます");
}
}
}
}
public class Main {
public static void main (String[] args) {
int[] ages = {3, 7, 1, 12, 5};
int max = ages[0], min = ages[0];
for (int age : ages) {
if (age > max) {
max = age;
}
if (age < min) {
min = age;
}
}
System.out.println("最高齢: " + max + "歳, 最年少: " + min + "歳");
}
}
public class Main {
public static void main (String[] args) {
String[] birds = {"ハト", "カラス", "スズメ", "ツバメ"};
System.out.println("逆順表示:");
for (int i = birds.length - 1; i >= 0; i--) {
System.out.println(birds[i]);
}
}
}